SIL verification failed: Basic block contains a non-contiguous lexical scope at -Onone: DS == LastSeenScope #65064

dnadoba · 2023-04-11T14:53:11Z

Description
Building swift-collections with code coverage enabled crashes the latest nightly main compiler (swiftlang/swift:nightly-main-jammy). Does not crash without code coverage.

 ################################################################
 #								#
 # Swift Nightly Docker Image					#
 # Tag: swift-DEVELOPMENT-SNAPSHOT-2023-04-09-a			#
 #								#
 ################################################################

# swift test --enable-code-coverage
Building for debugging...
error: emit-module command failed due to signal 6 (use -v to see invocation)
Broken instruction!
  copy_addr [take] %117 to [init] %116 : $*C.Element // id: %118
in scope
{

   parent: {
  
     parent: {
    
       parent: {
      
         parent: {
        /src/Sources/_CollectionsUtilities/Descriptions.swift:27:13
           parent: @$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF
          }
        
        }
      
      }
    
    }
  
  }
Previous, non-contiguous scope set by  %117 = unchecked_take_enum_data_addr %108 : $*Optional<C.Element>, #Optional.some!enumelt // user: %118
in scope
{

   parent: {
  
     parent: {
    
       parent: {
      /src/Sources/_CollectionsUtilities/Descriptions.swift:27:13
         parent: @$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF
        }
      
      }
    
    }
  
  }
Please report a bug on bugs.swift.org
Pass -Xllvm -verify-di-holes=false to disable the verification
SIL verification failed: Basic block contains a non-contiguous lexical scope at -Onone: DS == LastSeenScope
Verifying instruction:
     %122 = struct_extract %120 : $Bool, #Bool._value, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":39:8, scope 0 // user: %123
->   cond_br %122, bb6, bb7, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":39:8, scope 0 // id: %123
In function:
sil_scope 1 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":27:13 parent @$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF : $@convention(thin) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0, Bool, @guaranteed Optional<String>) -> @owned String }
sil_scope 2 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:7 parent 1 }
sil_scope 3 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:16 parent 2 }
sil_scope 4 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":33:3 parent 2 }
sil_scope 5 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":33:21 parent 4 }
sil_scope 6 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":33:30 parent 5 }
sil_scope 7 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":37:7 parent 2 }
sil_scope 8 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":37:15 parent 7 }
sil_scope 9 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:3 parent 7 }
sil_scope 10 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:24 parent 9 }
sil_scope 11 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":39:5 parent 10 }
sil_scope 12 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":39:14 parent 11 }
sil_scope 13 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":41:12 parent 11 }
sil_scope 14 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":44:5 parent 10 }
sil_scope 15 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":44:14 parent 14 }
sil_scope 16 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":46:12 parent 14 }
sil_scope 17 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:3 parent 7 }
sil_scope 18 { loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:22 parent 17 }

// _arrayDescription<A>(for:debug:typeName:), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":27:13, scope 1
sil [serialized] [ossa] @$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF : $@convention(thin) <C where C : Collection> (@in_guaranteed C, Bool, @guaranteed Optional<String>) -> @owned String {
// %0 "elements"                                  // users: %104, %3
// %1 "debug"                                     // users: %146, %4
// %2 "typeName"                                  // users: %221, %16, %5
bb0(%0 : $*C, %1 : $Bool, %2 : @guaranteed $Optional<String>):
  debug_value %0 : $*C, let, name "elements", argno 1, expr op_deref, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":28:7, scope 1 // id: %3
  debug_value %1 : $Bool, let, name "debug", argno 2, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":29:3, scope 1 // id: %4
  debug_value %2 : $Optional<String>, let, name "typeName", argno 3, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":30:3, scope 1 // id: %5
  increment_profiler_counter 0, "$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF", num_counters 6, hash 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":31:13, scope 1 // id: %6
  %7 = alloc_box ${ var String }, var, name "result", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:7, scope 2 // users: %250, %8
  %8 = project_box %7 : ${ var String }, 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:7, scope 2 // users: %246, %239, %214, %193, %167, %140, %88, %74, %15
  %9 = string_literal utf8 "", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:16, scope 3 // user: %14
  %10 = integer_literal $Builtin.Word, 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:16, scope 3 // user: %14
  %11 = integer_literal $Builtin.Int1, -1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:16, scope 3 // user: %14
  %12 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:16, scope 3 // user: %14
  // function_ref String.init(_builtinStringLiteral:utf8CodeUnitCount:isASCII:)
  %13 = function_ref @$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:16, scope 3 // user: %14
  %14 = apply %13(%9, %10, %11, %12) : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:16, scope 3 // user: %15
  store %14 to [init] %8 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":32:16, scope 3 // id: %15
  %16 = copy_value %2 : $Optional<String>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":33:21, scope 4 // user: %17
  switch_enum %16 : $Optional<String>, case #Optional.some!enumelt: bb2, case #Optional.none!enumelt: bb1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":33:3, scope 4 // id: %17

bb1:                                              // Preds: bb0
  br bb3, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":33:3, scope 4 // id: %18

// %19                                            // users: %79, %48, %20
bb2(%19 : @owned $String):                        // Preds: bb0
  debug_value %19 : $String, let, name "typeName", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":33:10, scope 4 // id: %20
  increment_profiler_counter 1, "$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF", num_counters 6, hash 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":33:30, scope 6 // id: %21
  %22 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:12, scope 6 // user: %76
  %23 = alloc_box ${ var DefaultStringInterpolation }, scope 6 // users: %70, %24
  %24 = project_box %23 : ${ var DefaultStringInterpolation }, 0, scope 6 // users: %69, %64, %51, %43, %36
  %25 = integer_literal $Builtin.IntLiteral, 1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %28
  %26 = metatype $@thin Int.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %28
  // function_ref Int.init(_builtinIntegerLiteral:)
  %27 = function_ref @$sSi22_builtinIntegerLiteralSiBI_tcfC : $@convention(method) (Builtin.IntLiteral, @thin Int.Type) -> Int, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %28
  %28 = apply %27(%25, %26) : $@convention(method) (Builtin.IntLiteral, @thin Int.Type) -> Int, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %35
  %29 = integer_literal $Builtin.IntLiteral, 1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %32
  %30 = metatype $@thin Int.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %32
  // function_ref Int.init(_builtinIntegerLiteral:)
  %31 = function_ref @$sSi22_builtinIntegerLiteralSiBI_tcfC : $@convention(method) (Builtin.IntLiteral, @thin Int.Type) -> Int, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %32
  %32 = apply %31(%29, %30) : $@convention(method) (Builtin.IntLiteral, @thin Int.Type) -> Int, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %35
  %33 = metatype $@thin DefaultStringInterpolation.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %35
  // function_ref DefaultStringInterpolation.init(literalCapacity:interpolationCount:)
  %34 = function_ref @$ss26DefaultStringInterpolationV15literalCapacity18interpolationCountABSi_SitcfC : $@convention(method) (Int, Int, @thin DefaultStringInterpolation.Type) -> @owned DefaultStringInterpolation, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %35
  %35 = apply %34(%28, %32, %33) : $@convention(method) (Int, Int, @thin DefaultStringInterpolation.Type) -> @owned DefaultStringInterpolation, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %36
  store %35 to [init] %24 : $*DefaultStringInterpolation, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // id: %36
  %37 = string_literal utf8 "", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %42
  %38 = integer_literal $Builtin.Word, 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %42
  %39 = integer_literal $Builtin.Int1, -1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %42
  %40 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %42
  // function_ref String.init(_builtinStringLiteral:utf8CodeUnitCount:isASCII:)
  %41 = function_ref @$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %42
  %42 = apply %41(%37, %38, %39, %40) : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // users: %47, %45
  %43 = begin_access [modify] [unknown] %24 : $*DefaultStringInterpolation, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:16, scope 6 // users: %46, %45
  // function_ref DefaultStringInterpolation.appendLiteral(_:)
  %44 = function_ref @$ss26DefaultStringInterpolationV13appendLiteralyySSF : $@convention(method) (@guaranteed String, @inout DefaultStringInterpolation) -> (), scope 6 // user: %45
  %45 = apply %44(%42, %43) : $@convention(method) (@guaranteed String, @inout DefaultStringInterpolation) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:16, scope 6
  end_access %43 : $*DefaultStringInterpolation, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:16, scope 6 // id: %46
  destroy_value %42 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // id: %47
  %48 = begin_borrow %19 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:18, scope 6 // users: %57, %50
  %49 = alloc_stack $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:18, scope 6 // users: %56, %50
  %50 = store_borrow %48 to %49 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:18, scope 6 // users: %55, %53
  %51 = begin_access [modify] [unknown] %24 : $*DefaultStringInterpolation, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:17, scope 6 // users: %54, %53
  // function_ref DefaultStringInterpolation.appendInterpolation<A>(_:)
  %52 = function_ref @$ss26DefaultStringInterpolationV06appendC0yyxs06CustomB11ConvertibleRzs20TextOutputStreamableRzlF : $@convention(method) <τ_0_0 where τ_0_0 : CustomStringConvertible, τ_0_0 : TextOutputStreamable> (@in_guaranteed τ_0_0, @inout DefaultStringInterpolation) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:17, scope 6 // user: %53
  %53 = apply %52<String>(%50, %51) : $@convention(method) <τ_0_0 where τ_0_0 : CustomStringConvertible, τ_0_0 : TextOutputStreamable> (@in_guaranteed τ_0_0, @inout DefaultStringInterpolation) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:17, scope 6
  end_access %51 : $*DefaultStringInterpolation, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:17, scope 6 // id: %54
  end_borrow %50 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:26, scope 6 // id: %55
  dealloc_stack %49 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:26, scope 6 // id: %56
  end_borrow %48 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:26, scope 6 // id: %57
  %58 = string_literal utf8 "(", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:27, scope 6 // user: %63
  %59 = integer_literal $Builtin.Word, 1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:27, scope 6 // user: %63
  %60 = integer_literal $Builtin.Int1, -1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:27, scope 6 // user: %63
  %61 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:27, scope 6 // user: %63
  // function_ref String.init(_builtinStringLiteral:utf8CodeUnitCount:isASCII:)
  %62 = function_ref @$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:27, scope 6 // user: %63
  %63 = apply %62(%58, %59, %60, %61) : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:27, scope 6 // users: %68, %66
  %64 = begin_access [modify] [unknown] %24 : $*DefaultStringInterpolation, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:27, scope 6 // users: %67, %66
  // function_ref DefaultStringInterpolation.appendLiteral(_:)
  %65 = function_ref @$ss26DefaultStringInterpolationV13appendLiteralyySSF : $@convention(method) (@guaranteed String, @inout DefaultStringInterpolation) -> (), scope 6 // user: %66
  %66 = apply %65(%63, %64) : $@convention(method) (@guaranteed String, @inout DefaultStringInterpolation) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:27, scope 6
  end_access %64 : $*DefaultStringInterpolation, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:27, scope 6 // id: %67
  destroy_value %63 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:27, scope 6 // id: %68
  %69 = load [copy] %24 : $*DefaultStringInterpolation, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %73
  destroy_value %23 : ${ var DefaultStringInterpolation }, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // id: %70
  %71 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %73
  // function_ref String.init(stringInterpolation:)
  %72 = function_ref @$sSS19stringInterpolationSSs013DefaultStringB0V_tcfC : $@convention(method) (@owned DefaultStringInterpolation, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // user: %73
  %73 = apply %72(%69, %71) : $@convention(method) (@owned DefaultStringInterpolation, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // users: %78, %76
  %74 = begin_access [modify] [unknown] %8 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:5, scope 6 // users: %77, %76
  // function_ref static String.+= infix(_:_:)
  %75 = function_ref @$sSS2peoiyySSz_SStFZ : $@convention(method) (@inout String, @guaranteed String, @thin String.Type) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:12, scope 6 // user: %76
  %76 = apply %75(%74, %73, %22) : $@convention(method) (@inout String, @guaranteed String, @thin String.Type) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:12, scope 6
  end_access %74 : $*String, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:5, scope 6 // id: %77
  destroy_value %73 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":34:15, scope 6 // id: %78
  destroy_value %19 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":35:3, scope 6 // id: %79
  br bb3, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":35:3, scope 6 // id: %80

bb3:                                              // Preds: bb2 bb1
  %81 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:10, scope 6 // user: %90
  %82 = string_literal utf8 "[", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:13, scope 2 // user: %87
  %83 = integer_literal $Builtin.Word, 1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:13, scope 2 // user: %87
  %84 = integer_literal $Builtin.Int1, -1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:13, scope 2 // user: %87
  %85 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:13, scope 2 // user: %87
  // function_ref String.init(_builtinStringLiteral:utf8CodeUnitCount:isASCII:)
  %86 = function_ref @$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:13, scope 2 // user: %87
  %87 = apply %86(%82, %83, %84, %85) : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:13, scope 2 // users: %92, %90
  %88 = begin_access [modify] [unknown] %8 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:3, scope 2 // users: %91, %90
  // function_ref static String.+= infix(_:_:)
  %89 = function_ref @$sSS2peoiyySSz_SStFZ : $@convention(method) (@inout String, @guaranteed String, @thin String.Type) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:10, scope 2 // user: %90
  %90 = apply %89(%88, %87, %81) : $@convention(method) (@inout String, @guaranteed String, @thin String.Type) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:10, scope 2
  end_access %88 : $*String, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:3, scope 2 // id: %91
  destroy_value %87 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":36:13, scope 2 // id: %92
  %93 = alloc_box ${ var Bool }, var, name "first", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":37:7, scope 7 // users: %249, %94
  %94 = project_box %93 : ${ var Bool }, 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":37:7, scope 7 // users: %129, %119, %99
  %95 = integer_literal $Builtin.Int1, -1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":37:15, scope 8 // user: %98
  %96 = metatype $@thin Bool.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":37:15, scope 8 // user: %98
  // function_ref Bool.init(_builtinBooleanLiteral:)
  %97 = function_ref @$sSb22_builtinBooleanLiteralSbBi1__tcfC : $@convention(method) (Builtin.Int1, @thin Bool.Type) -> Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":37:15, scope 8 // user: %98
  %98 = apply %97(%95, %96) : $@convention(method) (Builtin.Int1, @thin Bool.Type) -> Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":37:15, scope 8 // user: %99
  store %98 to [trivial] %94 : $*Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":37:15, scope 8 // id: %99
  %100 = alloc_box $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Iterator } <C>, var, name "$item$generator", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:15, scope 8 // users: %206, %101
  %101 = begin_borrow [lexical] %100 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Iterator } <C>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:15, scope 8 // users: %205, %102
  %102 = project_box %101 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Iterator } <C>, 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:15, scope 8 // users: %110, %106
  %103 = alloc_stack $C, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:15, scope 9 // users: %107, %106, %104
  copy_addr %0 to [init] %103 : $*C, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:15, scope 9 // id: %104
  %105 = witness_method $C, #Sequence.makeIterator : <Self where Self : Sequence> (__owned Self) -> () -> Self.Iterator : $@convention(witness_method: Sequence) <τ_0_0 where τ_0_0 : Sequence> (@in τ_0_0) -> @out τ_0_0.Iterator, scope 9 // user: %106
  %106 = apply %105<C>(%102, %103) : $@convention(witness_method: Sequence) <τ_0_0 where τ_0_0 : Sequence> (@in τ_0_0) -> @out τ_0_0.Iterator, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:15, scope 9
  dealloc_stack %103 : $*C, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:15, scope 9 // id: %107
  %108 = alloc_stack $Optional<C.Element>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:3, scope 9 // users: %204, %117, %114, %112
  br bb4, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:3, scope 9 // id: %109

bb4:                                              // Preds: bb11 bb3
  %110 = begin_access [modify] [unknown] %102 : $*C.Iterator, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:3, scope 9 // users: %113, %112
  %111 = witness_method $C.Iterator, #IteratorProtocol.next : <Self where Self : IteratorProtocol> (inout Self) -> () -> Self.Element? : $@convention(witness_method: IteratorProtocol) <τ_0_0 where τ_0_0 : IteratorProtocol> (@inout τ_0_0) -> @out Optional<τ_0_0.Element>, scope 9 // user: %112
  %112 = apply %111<C.Iterator>(%108, %110) : $@convention(witness_method: IteratorProtocol) <τ_0_0 where τ_0_0 : IteratorProtocol> (@inout τ_0_0) -> @out Optional<τ_0_0.Element>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:3, scope 9
  end_access %110 : $*C.Iterator, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:3, scope 9 // id: %113
  switch_enum_addr %108 : $*Optional<C.Element>, case #Optional.some!enumelt: bb5, case #Optional.none!enumelt: bb12, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:3, scope 9 // id: %114

bb5:                                              // Preds: bb4
  increment_profiler_counter 2, "$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF", num_counters 6, hash 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:24, scope 10 // id: %115
  %116 = alloc_stack [lexical] $C.Element, let, name "item", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:7, scope 9 // users: %202, %201, %182, %156, %118
  %117 = unchecked_take_enum_data_addr %108 : $*Optional<C.Element>, #Optional.some!enumelt, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:3, scope 9 // user: %118
  copy_addr [take] %117 to [init] %116 : $*C.Element, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":38:24, scope 10 // id: %118
  %119 = begin_access [read] [unknown] %94 : $*Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":39:8, scope 10 // users: %121, %120
  %120 = load [trivial] %119 : $*Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":39:8, scope 10 // user: %122
  end_access %119 : $*Bool, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":39:8, scope 10 // id: %121
  %122 = struct_extract %120 : $Bool, #Bool._value, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":39:8, scope 10 // user: %123
  cond_br %122, bb6, bb7, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":39:8, scope 11 // id: %123

bb6:                                              // Preds: bb5
  increment_profiler_counter 3, "$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF", num_counters 6, hash 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":39:14, scope 12 // id: %124
  %125 = integer_literal $Builtin.Int1, 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":40:15, scope 12 // user: %128
  %126 = metatype $@thin Bool.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":40:15, scope 12 // user: %128
  // function_ref Bool.init(_builtinBooleanLiteral:)
  %127 = function_ref @$sSb22_builtinBooleanLiteralSbBi1__tcfC : $@convention(method) (Builtin.Int1, @thin Bool.Type) -> Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":40:15, scope 12 // user: %128
  %128 = apply %127(%125, %126) : $@convention(method) (Builtin.Int1, @thin Bool.Type) -> Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":40:15, scope 12 // user: %130
  %129 = begin_access [modify] [unknown] %94 : $*Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":40:13, scope 12 // users: %131, %130
  assign %128 to %129 : $*Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":40:13, scope 12 // id: %130
  end_access %129 : $*Bool, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":40:13, scope 12 // id: %131
  br bb8, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":41:5, scope 12 // id: %132

bb7:                                              // Preds: bb5
  %133 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:14, scope 13 // user: %142
  %134 = string_literal utf8 ", ", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:17, scope 13 // user: %139
  %135 = integer_literal $Builtin.Word, 2, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:17, scope 13 // user: %139
  %136 = integer_literal $Builtin.Int1, -1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:17, scope 13 // user: %139
  %137 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:17, scope 13 // user: %139
  // function_ref String.init(_builtinStringLiteral:utf8CodeUnitCount:isASCII:)
  %138 = function_ref @$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:17, scope 13 // user: %139
  %139 = apply %138(%134, %135, %136, %137) : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:17, scope 13 // users: %144, %142
  %140 = begin_access [modify] [unknown] %8 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:7, scope 13 // users: %143, %142
  // function_ref static String.+= infix(_:_:)
  %141 = function_ref @$sSS2peoiyySSz_SStFZ : $@convention(method) (@inout String, @guaranteed String, @thin String.Type) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:14, scope 13 // user: %142
  %142 = apply %141(%140, %139, %133) : $@convention(method) (@inout String, @guaranteed String, @thin String.Type) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:14, scope 13
  end_access %140 : $*String, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:7, scope 13 // id: %143
  destroy_value %139 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":42:17, scope 13 // id: %144
  br bb8, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":43:5, scope 13 // id: %145

bb8:                                              // Preds: bb7 bb6
  %146 = struct_extract %1 : $Bool, #Bool._value, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":44:8, scope 14 // user: %147
  cond_br %146, bb9, bb10, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":44:8, scope 14 // id: %147

bb9:                                              // Preds: bb8
  increment_profiler_counter 4, "$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF", num_counters 6, hash 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":44:14, scope 15 // id: %148
  %149 = integer_literal $Builtin.Word, 1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:18, scope 15 // user: %151
  // function_ref _allocateUninitializedArray<A>(_:)
  %150 = function_ref @$ss27_allocateUninitializedArrayySayxG_BptBwlF : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:18, scope 15 // user: %151
  %151 = apply %150<Any>(%149) : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:18, scope 15 // user: %152
  (%152, %153) = destructure_tuple %151 : $(Array<Any>, Builtin.RawPointer), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:18, scope 15 // users: %158, %154
  %154 = pointer_to_address %153 : $Builtin.RawPointer to [strict] $*Any, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:18, scope 15 // user: %155
  %155 = init_existential_addr %154 : $*Any, $C.Element, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:18, scope 15 // user: %156
  copy_addr %116 to [init] %155 : $*C.Element, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:18, scope 15 // id: %156
  // function_ref _finalizeUninitializedArray<A>(_:)
  %157 = function_ref @$ss27_finalizeUninitializedArrayySayxGABnlF : $@convention(thin) <τ_0_0> (@owned Array<τ_0_0>) -> @owned Array<τ_0_0>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:18, scope 15 // user: %158
  %158 = apply %157<Any>(%152) : $@convention(thin) <τ_0_0> (@owned Array<τ_0_0>) -> @owned Array<τ_0_0>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:18, scope 15 // users: %173, %169
  %159 = string_literal utf8 "", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:36, scope 15 // user: %164
  %160 = integer_literal $Builtin.Word, 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:36, scope 15 // user: %164
  %161 = integer_literal $Builtin.Int1, -1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:36, scope 15 // user: %164
  %162 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:36, scope 15 // user: %164
  // function_ref String.init(_builtinStringLiteral:utf8CodeUnitCount:isASCII:)
  %163 = function_ref @$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:36, scope 15 // user: %164
  %164 = apply %163(%159, %160, %161, %162) : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:36, scope 15 // users: %172, %169
  // function_ref default argument 1 of debugPrint<A>(_:separator:terminator:to:)
  %165 = function_ref @$ss10debugPrint_9separator10terminator2toyypd_S2Sxzts16TextOutputStreamRzlFfA0_ : $@convention(thin) <τ_0_0 where τ_0_0 : TextOutputStream> () -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:17, scope 15 // user: %166
  %166 = apply %165<String>() : $@convention(thin) <τ_0_0 where τ_0_0 : TextOutputStream> () -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:17, scope 15 // users: %171, %169
  %167 = begin_access [modify] [unknown] %8 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:44, scope 15 // users: %170, %169
  // function_ref debugPrint<A>(_:separator:terminator:to:)
  %168 = function_ref @$ss10debugPrint_9separator10terminator2toyypd_S2Sxzts16TextOutputStreamRzlF : $@convention(thin) <τ_0_0 where τ_0_0 : TextOutputStream> (@guaranteed Array<Any>, @guaranteed String, @guaranteed String, @inout τ_0_0) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:7, scope 15 // user: %169
  %169 = apply %168<String>(%158, %166, %164, %167) : $@convention(thin) <τ_0_0 where τ_0_0 : TextOutputStream> (@guaranteed Array<Any>, @guaranteed String, @guaranteed String, @inout τ_0_0) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:7, scope 15
  end_access %167 : $*String, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:44, scope 15 // id: %170
  destroy_value %166 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:51, scope 15 // id: %171
  destroy_value %164 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:51, scope 15 // id: %172
  destroy_value %158 : $Array<Any>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":45:51, scope 15 // id: %173
  br bb11, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":46:5, scope 15 // id: %174

bb10:                                             // Preds: bb8
  %175 = integer_literal $Builtin.Word, 1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:13, scope 16 // user: %177
  // function_ref _allocateUninitializedArray<A>(_:)
  %176 = function_ref @$ss27_allocateUninitializedArrayySayxG_BptBwlF : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:13, scope 16 // user: %177
  %177 = apply %176<Any>(%175) : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:13, scope 16 // user: %178
  (%178, %179) = destructure_tuple %177 : $(Array<Any>, Builtin.RawPointer), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:13, scope 16 // users: %184, %180
  %180 = pointer_to_address %179 : $Builtin.RawPointer to [strict] $*Any, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:13, scope 16 // user: %181
  %181 = init_existential_addr %180 : $*Any, $C.Element, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:13, scope 16 // user: %182
  copy_addr %116 to [init] %181 : $*C.Element, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:13, scope 16 // id: %182
  // function_ref _finalizeUninitializedArray<A>(_:)
  %183 = function_ref @$ss27_finalizeUninitializedArrayySayxGABnlF : $@convention(thin) <τ_0_0> (@owned Array<τ_0_0>) -> @owned Array<τ_0_0>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:13, scope 16 // user: %184
  %184 = apply %183<Any>(%178) : $@convention(thin) <τ_0_0> (@owned Array<τ_0_0>) -> @owned Array<τ_0_0>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:13, scope 16 // users: %199, %195
  %185 = string_literal utf8 "", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:31, scope 16 // user: %190
  %186 = integer_literal $Builtin.Word, 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:31, scope 16 // user: %190
  %187 = integer_literal $Builtin.Int1, -1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:31, scope 16 // user: %190
  %188 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:31, scope 16 // user: %190
  // function_ref String.init(_builtinStringLiteral:utf8CodeUnitCount:isASCII:)
  %189 = function_ref @$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:31, scope 16 // user: %190
  %190 = apply %189(%185, %186, %187, %188) : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:31, scope 16 // users: %198, %195
  // function_ref default argument 1 of print<A>(_:separator:terminator:to:)
  %191 = function_ref @$ss5print_9separator10terminator2toyypd_S2Sxzts16TextOutputStreamRzlFfA0_ : $@convention(thin) <τ_0_0 where τ_0_0 : TextOutputStream> () -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:12, scope 16 // user: %192
  %192 = apply %191<String>() : $@convention(thin) <τ_0_0 where τ_0_0 : TextOutputStream> () -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:12, scope 16 // users: %197, %195
  %193 = begin_access [modify] [unknown] %8 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:39, scope 16 // users: %196, %195
  // function_ref print<A>(_:separator:terminator:to:)
  %194 = function_ref @$ss5print_9separator10terminator2toyypd_S2Sxzts16TextOutputStreamRzlF : $@convention(thin) <τ_0_0 where τ_0_0 : TextOutputStream> (@guaranteed Array<Any>, @guaranteed String, @guaranteed String, @inout τ_0_0) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:7, scope 16 // user: %195
  %195 = apply %194<String>(%184, %192, %190, %193) : $@convention(thin) <τ_0_0 where τ_0_0 : TextOutputStream> (@guaranteed Array<Any>, @guaranteed String, @guaranteed String, @inout τ_0_0) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:7, scope 16
  end_access %193 : $*String, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:39, scope 16 // id: %196
  destroy_value %192 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:46, scope 16 // id: %197
  destroy_value %190 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:46, scope 16 // id: %198
  destroy_value %184 : $Array<Any>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":47:46, scope 16 // id: %199
  br bb11, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":48:5, scope 16 // id: %200

bb11:                                             // Preds: bb10 bb9
  destroy_addr %116 : $*C.Element, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":49:3, scope 16 // id: %201
  dealloc_stack %116 : $*C.Element, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":49:3, scope 16 // id: %202
  br bb4, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":49:3, scope 10 // id: %203

bb12:                                             // Preds: bb4
  dealloc_stack %108 : $*Optional<C.Element>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":49:3, scope 9 // id: %204
  end_borrow %101 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Iterator } <C>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":49:3, scope 9 // id: %205
  destroy_value %100 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Iterator } <C>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":49:3, scope 9 // id: %206
  %207 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:10, scope 9 // user: %216
  %208 = string_literal utf8 "]", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:13, scope 7 // user: %213
  %209 = integer_literal $Builtin.Word, 1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:13, scope 7 // user: %213
  %210 = integer_literal $Builtin.Int1, -1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:13, scope 7 // user: %213
  %211 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:13, scope 7 // user: %213
  // function_ref String.init(_builtinStringLiteral:utf8CodeUnitCount:isASCII:)
  %212 = function_ref @$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:13, scope 7 // user: %213
  %213 = apply %212(%208, %209, %210, %211) : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:13, scope 7 // users: %218, %216
  %214 = begin_access [modify] [unknown] %8 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:3, scope 7 // users: %217, %216
  // function_ref static String.+= infix(_:_:)
  %215 = function_ref @$sSS2peoiyySSz_SStFZ : $@convention(method) (@inout String, @guaranteed String, @thin String.Type) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:10, scope 7 // user: %216
  %216 = apply %215(%214, %213, %207) : $@convention(method) (@inout String, @guaranteed String, @thin String.Type) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:10, scope 7
  end_access %214 : $*String, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:3, scope 7 // id: %217
  destroy_value %213 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":50:13, scope 7 // id: %218
  %219 = metatype $@thin Optional<String>.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:15, scope 7 // user: %226
  %220 = alloc_stack $Optional<String>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:6, scope 17 // users: %228, %221
  %221 = store_borrow %2 to %220 : $*Optional<String>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:6, scope 17 // users: %227, %226
  %222 = metatype $@thin _OptionalNilComparisonType.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:18, scope 17 // user: %224
  // function_ref _OptionalNilComparisonType.init(nilLiteral:)
  %223 = function_ref @$ss26_OptionalNilComparisonTypeV10nilLiteralAByt_tcfC : $@convention(method) (@thin _OptionalNilComparisonType.Type) -> _OptionalNilComparisonType, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:18, scope 17 // user: %224
  %224 = apply %223(%222) : $@convention(method) (@thin _OptionalNilComparisonType.Type) -> _OptionalNilComparisonType, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:18, scope 17 // user: %226
  // function_ref static Optional.!= infix(_:_:)
  %225 = function_ref @$sSq2neoiySbxSg_s26_OptionalNilComparisonTypeVtFZ : $@convention(method) <τ_0_0> (@in_guaranteed Optional<τ_0_0>, _OptionalNilComparisonType, @thin Optional<τ_0_0>.Type) -> Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:15, scope 17 // user: %226
  %226 = apply %225<String>(%221, %224, %219) : $@convention(method) <τ_0_0> (@in_guaranteed Optional<τ_0_0>, _OptionalNilComparisonType, @thin Optional<τ_0_0>.Type) -> Bool, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:15, scope 17 // user: %229
  end_borrow %221 : $*Optional<String>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:18, scope 17 // id: %227
  dealloc_stack %220 : $*Optional<String>, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:18, scope 17 // id: %228
  %229 = struct_extract %226 : $Bool, #Bool._value, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:15, scope 17 // user: %230
  cond_br %229, bb13, bb14, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:15, scope 17 // id: %230

bb13:                                             // Preds: bb12
  increment_profiler_counter 5, "$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF", num_counters 6, hash 0, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:22, scope 18 // id: %231
  %232 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:31, scope 18 // user: %241
  %233 = string_literal utf8 ")", loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:34, scope 18 // user: %238
  %234 = integer_literal $Builtin.Word, 1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:34, scope 18 // user: %238
  %235 = integer_literal $Builtin.Int1, -1, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:34, scope 18 // user: %238
  %236 = metatype $@thin String.Type, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:34, scope 18 // user: %238
  // function_ref String.init(_builtinStringLiteral:utf8CodeUnitCount:isASCII:)
  %237 = function_ref @$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:34, scope 18 // user: %238
  %238 = apply %237(%233, %234, %235, %236) : $@convention(method) (Builtin.RawPointer, Builtin.Word, Builtin.Int1, @thin String.Type) -> @owned String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:34, scope 18 // users: %243, %241
  %239 = begin_access [modify] [unknown] %8 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:24, scope 18 // users: %242, %241
  // function_ref static String.+= infix(_:_:)
  %240 = function_ref @$sSS2peoiyySSz_SStFZ : $@convention(method) (@inout String, @guaranteed String, @thin String.Type) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:31, scope 18 // user: %241
  %241 = apply %240(%239, %238, %232) : $@convention(method) (@inout String, @guaranteed String, @thin String.Type) -> (), loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:31, scope 18
  end_access %239 : $*String, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:24, scope 18 // id: %242
  destroy_value %238 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:34, scope 18 // id: %243
  br bb15, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:38, scope 18 // id: %244

bb14:                                             // Preds: bb12
  br bb15, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":51:3, scope 17 // id: %245

bb15:                                             // Preds: bb13 bb14
  %246 = begin_access [read] [unknown] %8 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":52:10, scope 18 // users: %248, %247
  %247 = load [copy] %246 : $*String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":52:10, scope 18 // user: %251
  end_access %246 : $*String, loc * "/src/Sources/_CollectionsUtilities/Descriptions.swift":52:10, scope 18 // id: %248
  destroy_value %93 : ${ var Bool }, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":53:1, scope 18 // id: %249
  destroy_value %7 : ${ var String }, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":53:1, scope 18 // id: %250
  return %247 : $String, loc "/src/Sources/_CollectionsUtilities/Descriptions.swift":52:3, scope 7 // id: %251
} // end sil function '$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF'

Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types "/src/Sources/_CollectionsUtilities/Compatibility/Array+WithContiguousStorage Compatibility.swift" /src/Sources/_CollectionsUtilities/Compatibility/UnsafeMutableBufferPointer+SE-0370.swift /src/Sources/_CollectionsUtilities/Compatibility/UnsafeMutablePointer+SE-0370.swift "/src/Sources/_CollectionsUtilities/Compatibility/UnsafeRawPointer extensions.swift" /src/Sources/_CollectionsUtilities/Debugging.swift /src/Sources/_CollectionsUtilities/Descriptions.swift /src/Sources/_CollectionsUtilities/IntegerTricks/FixedWidthInteger+roundUpToPowerOfTwo.swift "/src/Sources/_CollectionsUtilities/IntegerTricks/Integer rank.swift" "/src/Sources/_CollectionsUtilities/IntegerTricks/UInt+first and last set bit.swift" /src/Sources/_CollectionsUtilities/IntegerTricks/UInt+reversed.swift /src/Sources/_CollectionsUtilities/RandomAccessCollection+Offsets.swift /src/Sources/_CollectionsUtilities/UnsafeBitSet/_UnsafeBitSet+Index.swift /src/Sources/_CollectionsUtilities/UnsafeBitSet/_UnsafeBitSet+_Word.swift /src/Sources/_CollectionsUtilities/UnsafeBitSet/_UnsafeBitSet.swift /src/Sources/_CollectionsUtilities/UnsafeBufferPointer+Extras.swift /src/Sources/_CollectionsUtilities/UnsafeMutableBufferPointer+Extras.swift /src/Sources/_CollectionsUtilities/_SortedCollection.swift /src/Sources/_CollectionsUtilities/_UniqueCollection.swift -target aarch64-unknown-linux-gnu -Xllvm -aarch64-use-tbi -disable-objc-interop -I /src/.build/aarch64-unknown-linux-gnu/debug -color-diagnostics -enable-testing -g -module-cache-path /src/.build/aarch64-unknown-linux-gnu/debug/ModuleCache -profile-generate -profile-coverage-mapping -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -new-driver-path /usr/bin/swift-driver -empty-abi-descriptor -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -resource-dir /usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -fPIC -module-name _CollectionsUtilities -emit-module-doc-path /src/.build/aarch64-unknown-linux-gnu/debug/_CollectionsUtilities.swiftdoc -emit-module-source-info-path /src/.build/aarch64-unknown-linux-gnu/debug/_CollectionsUtilities.swiftsourceinfo -emit-dependencies-path /src/.build/aarch64-unknown-linux-gnu/debug/_CollectionsUtilities.build/_CollectionsUtilities.emit-module.d -parse-as-library -o /src/.build/aarch64-unknown-linux-gnu/debug/_CollectionsUtilities.swiftmodule
1.	Swift version 5.9-dev (LLVM 8ef0b2ab8e410d9, Swift 76d60fde58eab47)
2.	Compiling with the current language version
3.	While evaluating request ASTLoweringRequest(Lowering AST to SIL for module _CollectionsUtilities)
4.	While silgen emitFunction SIL function "@$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF".
 for '_arrayDescription(for:debug:typeName:)' (at /src/Sources/_CollectionsUtilities/Descriptions.swift:27:8)
5.	While verifying SIL function "@$s21_CollectionsUtilities17_arrayDescription3for5debug8typeNameSSx_SbSSSgtSlRzlF".
 for '_arrayDescription(for:debug:typeName:)' (at /src/Sources/_CollectionsUtilities/Descriptions.swift:27:8)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
/usr/bin/swift-frontend(+0x69822c8)[0xaaaad8cc22c8]
/usr/bin/swift-frontend(+0x69802b8)[0xaaaad8cc02b8]
/usr/bin/swift-frontend(+0x69826dc)[0xaaaad8cc26dc]
linux-vdso.so.1(__kernel_rt_sigreturn+0x0)[0xffff901dc78c]
/lib/aarch64-linux-gnu/libc.so.6(+0x7f200)[0xffff8f6bf200]
/lib/aarch64-linux-gnu/libc.so.6(raise+0x1c)[0xffff8f67a67c]
/lib/aarch64-linux-gnu/libc.so.6(abort+0xe4)[0xffff8f667130]
/usr/bin/swift-frontend(+0x1d6a1e4)[0xaaaad40aa1e4]
/usr/bin/swift-frontend(+0x1d6e6bc)[0xaaaad40ae6bc]
/usr/bin/swift-frontend(+0x1d6c9f4)[0xaaaad40ac9f4]
/usr/bin/swift-frontend(+0x1d6648c)[0xaaaad40a648c]
/usr/bin/swift-frontend(+0x1380394)[0xaaaad36c0394]
/usr/bin/swift-frontend(+0x137faa0)[0xaaaad36bfaa0]
/usr/bin/swift-frontend(+0x1381c10)[0xaaaad36c1c10]
/usr/bin/swift-frontend(+0x137e2ec)[0xaaaad36be2ec]
/usr/bin/swift-frontend(+0x1384018)[0xaaaad36c4018]
/usr/bin/swift-frontend(+0x1436298)[0xaaaad3776298]
/usr/bin/swift-frontend(+0x1388228)[0xaaaad36c8228]
/usr/bin/swift-frontend(+0x13853a4)[0xaaaad36c53a4]
/usr/bin/swift-frontend(+0xd913c0)[0xaaaad30d13c0]
/usr/bin/swift-frontend(+0xda404c)[0xaaaad30e404c]
/usr/bin/swift-frontend(+0xd94020)[0xaaaad30d4020]
/usr/bin/swift-frontend(+0xd92c54)[0xaaaad30d2c54]
/usr/bin/swift-frontend(+0xc18fa4)[0xaaaad2f58fa4]
/lib/aarch64-linux-gnu/libc.so.6(+0x273fc)[0xffff8f6673fc]
/lib/aarch64-linux-gnu/libc.so.6(__libc_start_main+0x98)[0xffff8f6674cc]
/usr/bin/swift-frontend(+0xc17cf0)[0xaaaad2f57cf0]
error: fatalError

Steps to reproduce
Clone https://github.com/apple/swift-collections and build with

swift test --enable-code-coverage

Expected behavior
no crash

Environment

Swift compiler version info Swift version 5.9-dev (LLVM 8ef0b2ab8e410d9, Swift 76d60fd) Target: aarch64-unknown-linux-gnu
Docker: swiftlang/swift:nightly-main-jammy

The text was updated successfully, but these errors were encountered:

dnadoba · 2023-04-17T09:58:09Z

Can be reproduced with swift-log as well

# swift test --enable-code-coverage
/src/.build/checkouts/swift-docc-plugin/Plugins/Swift-DocC Convert/Symbolic Links/SharedPackagePluginExtensions/PackageExtensions.swift:31:17: warning: switch covers known cases, but 'TargetDependency' may have additional unknown values
                switch dependency {
                ^
/src/.build/checkouts/swift-docc-plugin/Plugins/Swift-DocC Convert/Symbolic Links/SharedPackagePluginExtensions/PackageExtensions.swift:31:17: note: handle unknown values using "@unknown default"
                switch dependency {
                ^
/src/.build/checkouts/swift-docc-plugin/Plugins/Swift-DocC Preview/Symbolic Links/SharedPackagePluginExtensions/PackageExtensions.swift:31:17: warning: switch covers known cases, but 'TargetDependency' may have additional unknown values
                switch dependency {
                ^
/src/.build/checkouts/swift-docc-plugin/Plugins/Swift-DocC Preview/Symbolic Links/SharedPackagePluginExtensions/PackageExtensions.swift:31:17: note: handle unknown values using "@unknown default"
                switch dependency {
                ^
Building for debugging...
error: compile command failed due to signal 6 (use -v to see invocation)
Broken instruction!
  copy_addr [take] %177 to [init] %176 : $*any LogHandler // id: %178
in scope
{

   parent: {
  
     parent: {
    
       parent: {
      
         parent: {
        
           parent: {
          
             parent: {
            /src/Sources/Logging/Logging.swift:1087:9
               parent: @$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg
              }
            
            }
          
          }
        
        }
      
      }
    
    }
  
  }
Previous, non-contiguous scope set by  %177 = unchecked_take_enum_data_addr %168 : $*Optional<any LogHandler>, #Optional.some!enumelt // user: %178
in scope
{

   parent: {
  
     parent: {
    
       parent: {
      
         parent: {
        
           parent: {
          /src/Sources/Logging/Logging.swift:1087:9
             parent: @$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg
            }
          
          }
        
        }
      
      }
    
    }
  
  }
Please report a bug on bugs.swift.org
Pass -Xllvm -verify-di-holes=false to disable the verification
SIL verification failed: Basic block contains a non-contiguous lexical scope at -Onone: DS == LastSeenScope
Verifying instruction:
     %183 = apply %182<@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self>(%180) : $@convention(witness_method: LogHandler) <τ_0_0 where τ_0_0 : LogHandler> (@in_guaranteed τ_0_0) -> @owned Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 0 // type-defs: %179; user: %184
->   switch_enum %183 : $Optional<Logger.MetadataProvider>, case #Optional.some!enumelt: bb18, case #Optional.none!enumelt: bb17, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 0 // id: %184
In function:
sil_scope 1 { loc "/src/Sources/Logging/Logging.swift":1087:9 parent @$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg : $@convention(method) (@guaranteed MultiplexLogHandler) -> @owned Optional<Logger.MetadataProvider> }
sil_scope 2 { loc "/src/Sources/Logging/Logging.swift":1088:13 parent 1 }
sil_scope 3 { loc "/src/Sources/Logging/Logging.swift":1088:41 parent 2 }
sil_scope 4 { loc "/src/Sources/Logging/Logging.swift":1089:17 parent 3 }
sil_scope 5 { loc "/src/Sources/Logging/Logging.swift":1089:39 parent 4 }
sil_scope 6 { loc "/src/Sources/Logging/Logging.swift":1089:77 parent 5 }
sil_scope 7 { loc "/src/Sources/Logging/Logging.swift":1090:21 parent 6 }
sil_scope 8 { loc "/src/Sources/Logging/Logging.swift":1090:55 parent 7 }
sil_scope 9 { loc "/src/Sources/Logging/Logging.swift":1090:78 parent 8 }
sil_scope 10 { loc "/src/Sources/Logging/Logging.swift":1092:28 parent 7 }
sil_scope 11 { loc "/src/Sources/Logging/Logging.swift":1095:24 parent 4 }
sil_scope 12 { loc "/src/Sources/Logging/Logging.swift":1095:58 parent 11 }
sil_scope 13 { loc "/src/Sources/Logging/Logging.swift":1095:81 parent 12 }
sil_scope 14 { loc "/src/Sources/Logging/Logging.swift":1097:24 parent 11 }
sil_scope 15 { loc "/src/Sources/Logging/Logging.swift":1100:20 parent 2 }
sil_scope 16 { loc "/src/Sources/Logging/Logging.swift":1101:21 parent 15 }
sil_scope 17 { loc "/src/Sources/Logging/Logging.swift":1101:60 parent 16 }
sil_scope 18 { loc "/src/Sources/Logging/Logging.swift":1102:21 parent 16 }
sil_scope 19 { loc "/src/Sources/Logging/Logging.swift":1102:55 parent 18 }
sil_scope 20 { loc "/src/Sources/Logging/Logging.swift":1104:17 parent 18 }
sil_scope 21 { loc "/src/Sources/Logging/Logging.swift":1104:46 parent 20 }
sil_scope 22 { loc "/src/Sources/Logging/Logging.swift":1105:21 parent 21 }
sil_scope 23 { loc "/src/Sources/Logging/Logging.swift":1105:39 parent 22 }
sil_scope 24 { loc "/src/Sources/Logging/Logging.swift":1105:64 parent 23 }
sil_scope 25 { loc "/src/Sources/Logging/Logging.swift":1109:17 parent 18 }
sil_scope 26 { loc "/src/Sources/Logging/Logging.swift":1109:51 parent 25 }
sil_scope 27 { loc "/src/Sources/Logging/Logging.swift":1109:74 parent 26 }
sil_scope 28 { loc "/src/Sources/Logging/Logging.swift":1112:17 parent 18 }
sil_scope 29 { loc "/src/Sources/Logging/Logging.swift":1112:47 parent 28 }

// MultiplexLogHandler.metadataProvider.getter, loc "/src/Sources/Logging/Logging.swift":1087:9, scope 1
sil [ossa] @$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg : $@convention(method) (@guaranteed MultiplexLogHandler) -> @owned Optional<Logger.MetadataProvider> {
// %0 "self"                                      // users: %210, %161, %146, %119, %95, %55, %21, %4, %1
bb0(%0 : @guaranteed $MultiplexLogHandler):
  debug_value %0 : $MultiplexLogHandler, let, name "self", argno 1, implicit, loc "/src/Sources/Logging/Logging.swift":1087:9, scope 1 // id: %1
  increment_profiler_counter 0, "$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg", num_counters 10, hash 0, loc "/src/Sources/Logging/Logging.swift":1087:13, scope 1 // id: %2
  %3 = metatype $@thin Int.Type, loc "/src/Sources/Logging/Logging.swift":1088:36, scope 1 // user: %16
  %4 = struct_extract %0 : $MultiplexLogHandler, #MultiplexLogHandler.handlers, loc "/src/Sources/Logging/Logging.swift":1088:21, scope 2 // user: %5
  %5 = copy_value %4 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1088:21, scope 2 // users: %10, %6
  %6 = begin_borrow %5 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1088:30, scope 2 // users: %9, %8
  // function_ref Array.count.getter
  %7 = function_ref @$sSa5countSivg : $@convention(method) <τ_0_0> (@guaranteed Array<τ_0_0>) -> Int, loc "/src/Sources/Logging/Logging.swift":1088:30, scope 2 // user: %8
  %8 = apply %7<any LogHandler>(%6) : $@convention(method) <τ_0_0> (@guaranteed Array<τ_0_0>) -> Int, loc "/src/Sources/Logging/Logging.swift":1088:30, scope 2 // user: %16
  end_borrow %6 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1088:30, scope 2 // id: %9
  destroy_value %5 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1088:21, scope 2 // id: %10
  %11 = integer_literal $Builtin.IntLiteral, 1, loc "/src/Sources/Logging/Logging.swift":1088:39, scope 2 // user: %14
  %12 = metatype $@thin Int.Type, loc "/src/Sources/Logging/Logging.swift":1088:39, scope 2 // user: %14
  // function_ref Int.init(_builtinIntegerLiteral:)
  %13 = function_ref @$sSi22_builtinIntegerLiteralSiBI_tcfC : $@convention(method) (Builtin.IntLiteral, @thin Int.Type) -> Int, loc "/src/Sources/Logging/Logging.swift":1088:39, scope 2 // user: %14
  %14 = apply %13(%11, %12) : $@convention(method) (Builtin.IntLiteral, @thin Int.Type) -> Int, loc "/src/Sources/Logging/Logging.swift":1088:39, scope 2 // user: %16
  // function_ref static Int.== infix(_:_:)
  %15 = function_ref @$sSi2eeoiySbSi_SitFZ : $@convention(method) (Int, Int, @thin Int.Type) -> Bool, loc "/src/Sources/Logging/Logging.swift":1088:36, scope 2 // user: %16
  %16 = apply %15(%8, %14, %3) : $@convention(method) (Int, Int, @thin Int.Type) -> Bool, loc "/src/Sources/Logging/Logging.swift":1088:36, scope 2 // user: %17
  %17 = struct_extract %16 : $Bool, #Bool._value, loc "/src/Sources/Logging/Logging.swift":1088:36, scope 2 // user: %18
  cond_br %17, bb1, bb11, loc "/src/Sources/Logging/Logging.swift":1088:36, scope 2 // id: %18

bb1:                                              // Preds: bb0
  increment_profiler_counter 1, "$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg", num_counters 10, hash 0, loc "/src/Sources/Logging/Logging.swift":1088:41, scope 3 // id: %19
  %20 = alloc_stack $Optional<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:58, scope 4 // users: %47, %37, %92, %91, %36, %30
  %21 = struct_extract %0 : $MultiplexLogHandler, #MultiplexLogHandler.handlers, loc "/src/Sources/Logging/Logging.swift":1089:44, scope 4 // user: %22
  %22 = copy_value %21 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:44, scope 4 // users: %35, %23
  %23 = begin_borrow %22 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // users: %34, %25
  %24 = alloc_stack $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // users: %46, %90, %25
  %25 = store_borrow %23 to %24 : $*Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // users: %33, %26
  %26 = load [copy] %25 : $*Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // user: %28
  %27 = alloc_stack $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // users: %32, %31, %30, %28
  store %26 to [init] %27 : $*Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // id: %28
  // function_ref Collection.first.getter
  %29 = function_ref @$sSlsE5first7ElementQzSgvg : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> @out Optional<τ_0_0.Element>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // user: %30
  %30 = apply %29<[any LogHandler]>(%20, %27) : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> @out Optional<τ_0_0.Element>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4
  destroy_addr %27 : $*Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // id: %31
  dealloc_stack %27 : $*Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // id: %32
  end_borrow %25 : $*Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // id: %33
  end_borrow %23 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:53, scope 4 // id: %34
  destroy_value %22 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:44, scope 4 // id: %35
  switch_enum_addr %20 : $*Optional<any LogHandler>, case #Optional.some!enumelt: bb2, case #Optional.none!enumelt: bb7, loc "/src/Sources/Logging/Logging.swift":1089:58, scope 4 // id: %36

bb2:                                              // Preds: bb1
  %37 = unchecked_take_enum_data_addr %20 : $*Optional<any LogHandler>, #Optional.some!enumelt, loc "/src/Sources/Logging/Logging.swift":1089:58, scope 4 // users: %45, %38
  %38 = open_existential_addr immutable_access %37 : $*any LogHandler to $*@opened("00DB324C-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // users: %42, %41, %40, %39
  %39 = alloc_stack $@opened("00DB324C-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // type-defs: %38; users: %44, %43, %42, %40
  copy_addr %38 to [init] %39 : $*@opened("00DB324C-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %40
  %41 = witness_method $@opened("00DB324C-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, #LogHandler.metadataProvider!getter : <Self where Self : LogHandler> (Self) -> () -> Logger.MetadataProvider?, %38 : $*@opened("00DB324C-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self : $@convention(witness_method: LogHandler) <τ_0_0 where τ_0_0 : LogHandler> (@in_guaranteed τ_0_0) -> @owned Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // type-defs: %38; user: %42
  %42 = apply %41<@opened("00DB324C-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self>(%39) : $@convention(witness_method: LogHandler) <τ_0_0 where τ_0_0 : LogHandler> (@in_guaranteed τ_0_0) -> @owned Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // type-defs: %38; user: %48
  destroy_addr %39 : $*@opened("00DB324C-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %43
  dealloc_stack %39 : $*@opened("00DB324C-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %44
  destroy_addr %37 : $*any LogHandler, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %45
  dealloc_stack %24 : $*Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %46
  dealloc_stack %20 : $*Optional<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %47
  br bb3(%42 : $Optional<Logger.MetadataProvider>), loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %48

// %49                                            // user: %50
bb3(%49 : @owned $Optional<Logger.MetadataProvider>): // Preds: bb7 bb2
  switch_enum %49 : $Optional<Logger.MetadataProvider>, case #Optional.some!enumelt: bb4, case #Optional.none!enumelt: bb8, loc "/src/Sources/Logging/Logging.swift":1089:17, scope 4 // id: %50

// %51                                            // users: %88, %83, %52
bb4(%51 : @owned $Logger.MetadataProvider):       // Preds: bb3
  %52 = begin_borrow [lexical] %51 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1089:17, scope 4 // users: %87, %85, %82, %69, %53
  debug_value %52 : $Logger.MetadataProvider, let, name "innerHandler", loc "/src/Sources/Logging/Logging.swift":1089:24, scope 4 // id: %53
  increment_profiler_counter 2, "$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg", num_counters 10, hash 0, loc "/src/Sources/Logging/Logging.swift":1089:77, scope 6 // id: %54
  %55 = struct_extract %0 : $MultiplexLogHandler, #MultiplexLogHandler._metadataProvider, loc "/src/Sources/Logging/Logging.swift":1090:60, scope 7 // user: %56
  %56 = copy_value %55 : $Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1090:60, scope 7 // user: %57
  switch_enum %56 : $Optional<Logger.MetadataProvider>, case #Optional.some!enumelt: bb5, case #Optional.none!enumelt: bb6, loc "/src/Sources/Logging/Logging.swift":1090:21, scope 7 // id: %57

// %58                                            // users: %81, %59
bb5(%58 : @owned $Logger.MetadataProvider):       // Preds: bb4
  %59 = begin_borrow [lexical] %58 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1090:21, scope 7 // users: %80, %73, %60
  debug_value %59 : $Logger.MetadataProvider, let, name "multiplexHandlerProvider", loc "/src/Sources/Logging/Logging.swift":1090:28, scope 7 // id: %60
  increment_profiler_counter 3, "$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg", num_counters 10, hash 0, loc "/src/Sources/Logging/Logging.swift":1090:78, scope 9 // id: %61
  %62 = metatype $@thin Logger.MetadataProvider.Type, loc "/src/Sources/Logging/Logging.swift":1091:32, scope 9 // user: %78
  %63 = integer_literal $Builtin.Word, 2, loc "/src/Sources/Logging/Logging.swift":1091:43, scope 9 // user: %65
  // function_ref _allocateUninitializedArray<A>(_:)
  %64 = function_ref @$ss27_allocateUninitializedArrayySayxG_BptBwlF : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/Logging/Logging.swift":1091:43, scope 9 // user: %65
  %65 = apply %64<Logger.MetadataProvider>(%63) : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/Logging/Logging.swift":1091:43, scope 9 // user: %66
  (%66, %67) = destructure_tuple %65 : $(Array<Logger.MetadataProvider>, Builtin.RawPointer), loc "/src/Sources/Logging/Logging.swift":1091:43, scope 9 // users: %76, %68
  %68 = pointer_to_address %67 : $Builtin.RawPointer to [strict] $*Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1091:43, scope 9 // users: %72, %70
  %69 = copy_value %52 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1091:44, scope 9 // user: %70
  store %69 to [init] %68 : $*Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1091:44, scope 9 // id: %70
  %71 = integer_literal $Builtin.Word, 1, loc "/src/Sources/Logging/Logging.swift":1091:43, scope 9 // user: %72
  %72 = index_addr %68 : $*Logger.MetadataProvider, %71 : $Builtin.Word, loc "/src/Sources/Logging/Logging.swift":1091:43, scope 9 // user: %74
  %73 = copy_value %59 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1091:58, scope 9 // user: %74
  store %73 to [init] %72 : $*Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1091:58, scope 9 // id: %74
  // function_ref _finalizeUninitializedArray<A>(_:)
  %75 = function_ref @$ss27_finalizeUninitializedArrayySayxGABnlF : $@convention(thin) <τ_0_0> (@owned Array<τ_0_0>) -> @owned Array<τ_0_0>, loc "/src/Sources/Logging/Logging.swift":1091:43, scope 9 // user: %76
  %76 = apply %75<Logger.MetadataProvider>(%66) : $@convention(thin) <τ_0_0> (@owned Array<τ_0_0>) -> @owned Array<τ_0_0>, loc "/src/Sources/Logging/Logging.swift":1091:43, scope 9 // users: %79, %78
  // function_ref static Logger.MetadataProvider.multiplex(_:)
  %77 = function_ref @$s7Logging6LoggerV16MetadataProviderV9multiplexyAESgSayAEGFZ : $@convention(method) (@guaranteed Array<Logger.MetadataProvider>, @thin Logger.MetadataProvider.Type) -> @owned Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1091:33, scope 9 // user: %78
  %78 = apply %77(%76, %62) : $@convention(method) (@guaranteed Array<Logger.MetadataProvider>, @thin Logger.MetadataProvider.Type) -> @owned Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1091:33, scope 9 // user: %84
  destroy_value %76 : $Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1091:83, scope 9 // id: %79
  end_borrow %59 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 9 // id: %80
  destroy_value %58 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 9 // id: %81
  end_borrow %52 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 9 // id: %82
  destroy_value %51 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 9 // id: %83
  br bb26(%78 : $Optional<Logger.MetadataProvider>), loc "/src/Sources/Logging/Logging.swift":1091:25, scope 9 // id: %84

bb6:                                              // Preds: bb4
  %85 = copy_value %52 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1093:32, scope 10 // user: %86
  %86 = enum $Optional<Logger.MetadataProvider>, #Optional.some!enumelt, %85 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1093:32, scope 10 // user: %89
  end_borrow %52 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 10 // id: %87
  destroy_value %51 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 10 // id: %88
  br bb26(%86 : $Optional<Logger.MetadataProvider>), loc "/src/Sources/Logging/Logging.swift":1093:25, scope 10 // id: %89

bb7:                                              // Preds: bb1
  dealloc_stack %24 : $*Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %90
  destroy_addr %20 : $*Optional<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %91
  dealloc_stack %20 : $*Optional<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %92
  %93 = enum $Optional<Logger.MetadataProvider>, #Optional.none!enumelt, loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // user: %94
  br bb3(%93 : $Optional<Logger.MetadataProvider>), loc "/src/Sources/Logging/Logging.swift":1089:60, scope 4 // id: %94

bb8:                                              // Preds: bb3
  %95 = struct_extract %0 : $MultiplexLogHandler, #MultiplexLogHandler._metadataProvider, loc "/src/Sources/Logging/Logging.swift":1095:63, scope 11 // user: %96
  %96 = copy_value %95 : $Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1095:63, scope 11 // user: %97
  switch_enum %96 : $Optional<Logger.MetadataProvider>, case #Optional.some!enumelt: bb9, case #Optional.none!enumelt: bb10, loc "/src/Sources/Logging/Logging.swift":1095:24, scope 11 // id: %97

// %98                                            // users: %105, %99
bb9(%98 : @owned $Logger.MetadataProvider):       // Preds: bb8
  %99 = begin_borrow [lexical] %98 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1095:24, scope 11 // users: %104, %102, %100
  debug_value %99 : $Logger.MetadataProvider, let, name "multiplexHandlerProvider", loc "/src/Sources/Logging/Logging.swift":1095:31, scope 11 // id: %100
  increment_profiler_counter 4, "$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg", num_counters 10, hash 0, loc "/src/Sources/Logging/Logging.swift":1095:81, scope 13 // id: %101
  %102 = copy_value %99 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1096:28, scope 13 // user: %103
  %103 = enum $Optional<Logger.MetadataProvider>, #Optional.some!enumelt, %102 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1096:28, scope 13 // user: %106
  end_borrow %99 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 13 // id: %104
  destroy_value %98 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 13 // id: %105
  br bb26(%103 : $Optional<Logger.MetadataProvider>), loc "/src/Sources/Logging/Logging.swift":1096:21, scope 13 // id: %106

bb10:                                             // Preds: bb8
  %107 = enum $Optional<Logger.MetadataProvider>, #Optional.none!enumelt, loc "/src/Sources/Logging/Logging.swift":1098:28, scope 14 // user: %108
  br bb26(%107 : $Optional<Logger.MetadataProvider>), loc "/src/Sources/Logging/Logging.swift":1098:21, scope 14 // id: %108

bb11:                                             // Preds: bb0
  %109 = alloc_box ${ var Array<Logger.MetadataProvider> }, var, name "providers", loc "/src/Sources/Logging/Logging.swift":1101:21, scope 16 // users: %258, %262, %110
  %110 = project_box %109 : ${ var Array<Logger.MetadataProvider> }, 0, loc "/src/Sources/Logging/Logging.swift":1101:21, scope 16 // users: %252, %230, %221, %197, %155, %117
  %111 = integer_literal $Builtin.Word, 0, loc "/src/Sources/Logging/Logging.swift":1101:60, scope 17 // user: %113
  // function_ref _allocateUninitializedArray<A>(_:)
  %112 = function_ref @$ss27_allocateUninitializedArrayySayxG_BptBwlF : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/Logging/Logging.swift":1101:60, scope 17 // user: %113
  %113 = apply %112<Logger.MetadataProvider>(%111) : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/Logging/Logging.swift":1101:60, scope 17 // user: %114
  (%114, %115) = destructure_tuple %113 : $(Array<Logger.MetadataProvider>, Builtin.RawPointer), loc "/src/Sources/Logging/Logging.swift":1101:60, scope 17 // users: %117, %116
  %116 = pointer_to_address %115 : $Builtin.RawPointer to [strict] $*Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1101:60, scope 17
  store %114 to [init] %110 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1101:60, scope 17 // id: %117
  %118 = metatype $@thin Optional<Logger.MetadataProvider>.Type, loc "/src/Sources/Logging/Logging.swift":1102:79, scope 17 // user: %127
  %119 = struct_extract %0 : $MultiplexLogHandler, #MultiplexLogHandler._metadataProvider, loc "/src/Sources/Logging/Logging.swift":1102:61, scope 19 // user: %120
  %120 = copy_value %119 : $Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1102:61, scope 19 // user: %122
  %121 = alloc_stack $Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1102:61, scope 19 // users: %129, %128, %127, %122
  store %120 to [init] %121 : $*Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1102:61, scope 19 // id: %122
  %123 = metatype $@thin _OptionalNilComparisonType.Type, loc "/src/Sources/Logging/Logging.swift":1102:82, scope 19 // user: %125
  // function_ref _OptionalNilComparisonType.init(nilLiteral:)
  %124 = function_ref @$ss26_OptionalNilComparisonTypeV10nilLiteralAByt_tcfC : $@convention(method) (@thin _OptionalNilComparisonType.Type) -> _OptionalNilComparisonType, loc "/src/Sources/Logging/Logging.swift":1102:82, scope 19 // user: %125
  %125 = apply %124(%123) : $@convention(method) (@thin _OptionalNilComparisonType.Type) -> _OptionalNilComparisonType, loc "/src/Sources/Logging/Logging.swift":1102:82, scope 19 // user: %127
  // function_ref static Optional.!= infix(_:_:)
  %126 = function_ref @$sSq2neoiySbxSg_s26_OptionalNilComparisonTypeVtFZ : $@convention(method) <τ_0_0> (@in_guaranteed Optional<τ_0_0>, _OptionalNilComparisonType, @thin Optional<τ_0_0>.Type) -> Bool, loc "/src/Sources/Logging/Logging.swift":1102:79, scope 19 // user: %127
  %127 = apply %126<Logger.MetadataProvider>(%121, %125, %118) : $@convention(method) <τ_0_0> (@in_guaranteed Optional<τ_0_0>, _OptionalNilComparisonType, @thin Optional<τ_0_0>.Type) -> Bool, loc "/src/Sources/Logging/Logging.swift":1102:79, scope 19 // user: %130
  destroy_addr %121 : $*Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1102:82, scope 19 // id: %128
  dealloc_stack %121 : $*Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1102:82, scope 19 // id: %129
  %130 = struct_extract %127 : $Bool, #Bool._value, loc "/src/Sources/Logging/Logging.swift":1102:79, scope 19 // user: %131
  cond_br %130, bb12, bb13, loc "/src/Sources/Logging/Logging.swift":1102:79, scope 19 // id: %131

bb12:                                             // Preds: bb11
  increment_profiler_counter 5, "$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg", num_counters 10, hash 0, loc "/src/Sources/Logging/Logging.swift":1102:88, scope 19 // id: %132
  %133 = integer_literal $Builtin.IntLiteral, 1, loc "/src/Sources/Logging/Logging.swift":1102:88, scope 19 // user: %136
  %134 = metatype $@thin Int.Type, loc "/src/Sources/Logging/Logging.swift":1102:88, scope 19 // user: %136
  // function_ref Int.init(_builtinIntegerLiteral:)
  %135 = function_ref @$sSi22_builtinIntegerLiteralSiBI_tcfC : $@convention(method) (Builtin.IntLiteral, @thin Int.Type) -> Int, loc "/src/Sources/Logging/Logging.swift":1102:88, scope 19 // user: %136
  %136 = apply %135(%133, %134) : $@convention(method) (Builtin.IntLiteral, @thin Int.Type) -> Int, loc "/src/Sources/Logging/Logging.swift":1102:88, scope 19 // user: %137
  br bb14(%136 : $Int), loc "/src/Sources/Logging/Logging.swift":1102:88, scope 19 // id: %137

bb13:                                             // Preds: bb11
  %138 = integer_literal $Builtin.IntLiteral, 0, loc "/src/Sources/Logging/Logging.swift":1102:92, scope 19 // user: %141
  %139 = metatype $@thin Int.Type, loc "/src/Sources/Logging/Logging.swift":1102:92, scope 19 // user: %141
  // function_ref Int.init(_builtinIntegerLiteral:)
  %140 = function_ref @$sSi22_builtinIntegerLiteralSiBI_tcfC : $@convention(method) (Builtin.IntLiteral, @thin Int.Type) -> Int, loc "/src/Sources/Logging/Logging.swift":1102:92, scope 19 // user: %141
  %141 = apply %140(%138, %139) : $@convention(method) (Builtin.IntLiteral, @thin Int.Type) -> Int, loc "/src/Sources/Logging/Logging.swift":1102:92, scope 19 // user: %142
  br bb14(%141 : $Int), loc "/src/Sources/Logging/Logging.swift":1102:92, scope 19 // id: %142

// %143                                           // users: %154, %144
bb14(%143 : $Int):                                // Preds: bb13 bb12
  debug_value %143 : $Int, let, name "additionalMetadataProviderCount", loc "/src/Sources/Logging/Logging.swift":1102:21, scope 18 // id: %144
  %145 = metatype $@thin Int.Type, loc "/src/Sources/Logging/Logging.swift":1103:63, scope 19 // user: %154
  %146 = struct_extract %0 : $MultiplexLogHandler, #MultiplexLogHandler.handlers, loc "/src/Sources/Logging/Logging.swift":1103:48, scope 18 // user: %147
  %147 = copy_value %146 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1103:48, scope 18 // users: %152, %148
  %148 = begin_borrow %147 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1103:57, scope 18 // users: %151, %150
  // function_ref Array.count.getter
  %149 = function_ref @$sSa5countSivg : $@convention(method) <τ_0_0> (@guaranteed Array<τ_0_0>) -> Int, loc "/src/Sources/Logging/Logging.swift":1103:57, scope 18 // user: %150
  %150 = apply %149<any LogHandler>(%148) : $@convention(method) <τ_0_0> (@guaranteed Array<τ_0_0>) -> Int, loc "/src/Sources/Logging/Logging.swift":1103:57, scope 18 // user: %154
  end_borrow %148 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1103:57, scope 18 // id: %151
  destroy_value %147 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1103:48, scope 18 // id: %152
  // function_ref static Int.+ infix(_:_:)
  %153 = function_ref @$sSi1poiyS2i_SitFZ : $@convention(method) (Int, Int, @thin Int.Type) -> Int, loc "/src/Sources/Logging/Logging.swift":1103:63, scope 18 // user: %154
  %154 = apply %153(%150, %143, %145) : $@convention(method) (Int, Int, @thin Int.Type) -> Int, loc "/src/Sources/Logging/Logging.swift":1103:63, scope 18 // user: %157
  %155 = begin_access [modify] [unknown] %110 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1103:17, scope 18 // users: %158, %157
  // function_ref Array.reserveCapacity(_:)
  %156 = function_ref @$sSa15reserveCapacityyySiF : $@convention(method) <τ_0_0> (Int, @inout Array<τ_0_0>) -> (), loc "/src/Sources/Logging/Logging.swift":1103:27, scope 18 // user: %157
  %157 = apply %156<Logger.MetadataProvider>(%154, %155) : $@convention(method) <τ_0_0> (Int, @inout Array<τ_0_0>) -> (), loc "/src/Sources/Logging/Logging.swift":1103:27, scope 18
  end_access %155 : $*Array<Logger.MetadataProvider>, loc * "/src/Sources/Logging/Logging.swift":1103:17, scope 18 // id: %158
  %159 = alloc_box ${ var IndexingIterator<Array<any LogHandler>> }, var, name "$handler$generator", loc "/src/Sources/Logging/Logging.swift":1104:32, scope 18 // users: %209, %160
  %160 = project_box %159 : ${ var IndexingIterator<Array<any LogHandler>> }, 0, loc "/src/Sources/Logging/Logging.swift":1104:32, scope 18 // users: %170, %166
  %161 = struct_extract %0 : $MultiplexLogHandler, #MultiplexLogHandler.handlers, loc "/src/Sources/Logging/Logging.swift":1104:37, scope 20 // user: %162
  %162 = copy_value %161 : $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1104:37, scope 20 // user: %164
  %163 = alloc_stack $Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1104:37, scope 20 // users: %167, %166, %164
  store %162 to [init] %163 : $*Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1104:37, scope 20 // id: %164
  // function_ref Collection<>.makeIterator()
  %165 = function_ref @$sSlss16IndexingIteratorVyxG0B0RtzrlE04makeB0ACyF : $@convention(method) <τ_0_0 where τ_0_0 : Collection, τ_0_0.Iterator == IndexingIterator<τ_0_0>> (@in τ_0_0) -> @out IndexingIterator<τ_0_0>, scope 20 // user: %166
  %166 = apply %165<[any LogHandler]>(%160, %163) : $@convention(method) <τ_0_0 where τ_0_0 : Collection, τ_0_0.Iterator == IndexingIterator<τ_0_0>> (@in τ_0_0) -> @out IndexingIterator<τ_0_0>, loc "/src/Sources/Logging/Logging.swift":1104:37, scope 20
  dealloc_stack %163 : $*Array<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1104:37, scope 20 // id: %167
  %168 = alloc_stack $Optional<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1104:17, scope 20 // users: %208, %177, %174, %172
  br bb15, loc "/src/Sources/Logging/Logging.swift":1104:17, scope 20 // id: %169

bb15:                                             // Preds: bb19 bb14
  %170 = begin_access [modify] [unknown] %160 : $*IndexingIterator<Array<any LogHandler>>, loc "/src/Sources/Logging/Logging.swift":1104:17, scope 20 // users: %173, %172
  // function_ref IndexingIterator.next()
  %171 = function_ref @$ss16IndexingIteratorV4next7ElementQzSgyF : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@inout IndexingIterator<τ_0_0>) -> @out Optional<τ_0_0.Element>, scope 20 // user: %172
  %172 = apply %171<[any LogHandler]>(%168, %170) : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@inout IndexingIterator<τ_0_0>) -> @out Optional<τ_0_0.Element>, loc "/src/Sources/Logging/Logging.swift":1104:17, scope 20
  end_access %170 : $*IndexingIterator<Array<any LogHandler>>, loc * "/src/Sources/Logging/Logging.swift":1104:17, scope 20 // id: %173
  switch_enum_addr %168 : $*Optional<any LogHandler>, case #Optional.some!enumelt: bb16, case #Optional.none!enumelt: bb20, loc "/src/Sources/Logging/Logging.swift":1104:17, scope 20 // id: %174

bb16:                                             // Preds: bb15
  increment_profiler_counter 6, "$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg", num_counters 10, hash 0, loc "/src/Sources/Logging/Logging.swift":1104:46, scope 21 // id: %175
  %176 = alloc_stack [lexical] $any LogHandler, let, name "handler", loc "/src/Sources/Logging/Logging.swift":1104:21, scope 20 // users: %206, %205, %179, %178
  %177 = unchecked_take_enum_data_addr %168 : $*Optional<any LogHandler>, #Optional.some!enumelt, loc "/src/Sources/Logging/Logging.swift":1104:17, scope 20 // user: %178
  copy_addr [take] %177 to [init] %176 : $*any LogHandler, loc "/src/Sources/Logging/Logging.swift":1104:46, scope 21 // id: %178
  %179 = open_existential_addr immutable_access %176 : $*any LogHandler to $*@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // users: %183, %182, %181, %180
  %180 = alloc_stack $@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // type-defs: %179; users: %192, %191, %186, %185, %183, %181
  copy_addr %179 to [init] %180 : $*@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // id: %181
  %182 = witness_method $@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, #LogHandler.metadataProvider!getter : <Self where Self : LogHandler> (Self) -> () -> Logger.MetadataProvider?, %179 : $*@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self : $@convention(witness_method: LogHandler) <τ_0_0 where τ_0_0 : LogHandler> (@in_guaranteed τ_0_0) -> @owned Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // type-defs: %179; user: %183
  %183 = apply %182<@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self>(%180) : $@convention(witness_method: LogHandler) <τ_0_0 where τ_0_0 : LogHandler> (@in_guaranteed τ_0_0) -> @owned Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // type-defs: %179; user: %184
  switch_enum %183 : $Optional<Logger.MetadataProvider>, case #Optional.some!enumelt: bb18, case #Optional.none!enumelt: bb17, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // id: %184

bb17:                                             // Preds: bb16
  destroy_addr %180 : $*@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // id: %185
  dealloc_stack %180 : $*@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1107:21, scope 22 // id: %186
  br bb19, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // id: %187

// %188                                           // users: %203, %189
bb18(%188 : @owned $Logger.MetadataProvider):     // Preds: bb16
  %189 = begin_borrow [lexical] %188 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // users: %202, %194, %190
  debug_value %189 : $Logger.MetadataProvider, let, name "provider", loc "/src/Sources/Logging/Logging.swift":1105:28, scope 22 // id: %190
  destroy_addr %180 : $*@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // id: %191
  dealloc_stack %180 : $*@opened("00DC31A6-DD06-11ED-A6FF-FEBDF8270133", any LogHandler) Self, loc "/src/Sources/Logging/Logging.swift":1105:47, scope 22 // id: %192
  increment_profiler_counter 7, "$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg", num_counters 10, hash 0, loc "/src/Sources/Logging/Logging.swift":1105:64, scope 24 // id: %193
  %194 = copy_value %189 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1106:42, scope 24 // user: %196
  %195 = alloc_stack $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1106:42, scope 24 // users: %201, %199, %196
  store %194 to [init] %195 : $*Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1106:42, scope 24 // id: %196
  %197 = begin_access [modify] [unknown] %110 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1106:25, scope 24 // users: %200, %199
  // function_ref Array.append(_:)
  %198 = function_ref @$sSa6appendyyxnF : $@convention(method) <τ_0_0> (@in τ_0_0, @inout Array<τ_0_0>) -> (), loc "/src/Sources/Logging/Logging.swift":1106:35, scope 24 // user: %199
  %199 = apply %198<Logger.MetadataProvider>(%195, %197) : $@convention(method) <τ_0_0> (@in τ_0_0, @inout Array<τ_0_0>) -> (), loc "/src/Sources/Logging/Logging.swift":1106:35, scope 24
  end_access %197 : $*Array<Logger.MetadataProvider>, loc * "/src/Sources/Logging/Logging.swift":1106:25, scope 24 // id: %200
  dealloc_stack %195 : $*Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1106:50, scope 24 // id: %201
  end_borrow %189 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1107:21, scope 24 // id: %202
  destroy_value %188 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1107:21, scope 24 // id: %203
  br bb19, loc "/src/Sources/Logging/Logging.swift":1107:21, scope 24 // id: %204

bb19:                                             // Preds: bb18 bb17
  destroy_addr %176 : $*any LogHandler, loc "/src/Sources/Logging/Logging.swift":1108:17, scope 24 // id: %205
  dealloc_stack %176 : $*any LogHandler, loc "/src/Sources/Logging/Logging.swift":1108:17, scope 24 // id: %206
  br bb15, loc "/src/Sources/Logging/Logging.swift":1108:17, scope 21 // id: %207

bb20:                                             // Preds: bb15
  dealloc_stack %168 : $*Optional<any LogHandler>, loc "/src/Sources/Logging/Logging.swift":1108:17, scope 20 // id: %208
  destroy_value %159 : ${ var IndexingIterator<Array<any LogHandler>> }, loc "/src/Sources/Logging/Logging.swift":1108:17, scope 20 // id: %209
  %210 = struct_extract %0 : $MultiplexLogHandler, #MultiplexLogHandler._metadataProvider, loc "/src/Sources/Logging/Logging.swift":1109:56, scope 25 // user: %211
  %211 = copy_value %210 : $Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1109:56, scope 25 // user: %212
  switch_enum %211 : $Optional<Logger.MetadataProvider>, case #Optional.some!enumelt: bb22, case #Optional.none!enumelt: bb21, loc "/src/Sources/Logging/Logging.swift":1109:17, scope 25 // id: %212

bb21:                                             // Preds: bb20
  br bb23, loc "/src/Sources/Logging/Logging.swift":1109:17, scope 25 // id: %213

// %214                                           // users: %227, %215
bb22(%214 : @owned $Logger.MetadataProvider):     // Preds: bb20
  %215 = begin_borrow [lexical] %214 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1109:17, scope 25 // users: %226, %218, %216
  debug_value %215 : $Logger.MetadataProvider, let, name "multiplexHandlerProvider", loc "/src/Sources/Logging/Logging.swift":1109:24, scope 25 // id: %216
  increment_profiler_counter 8, "$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg", num_counters 10, hash 0, loc "/src/Sources/Logging/Logging.swift":1109:74, scope 27 // id: %217
  %218 = copy_value %215 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1110:38, scope 27 // user: %220
  %219 = alloc_stack $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1110:38, scope 27 // users: %225, %223, %220
  store %218 to [init] %219 : $*Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1110:38, scope 27 // id: %220
  %221 = begin_access [modify] [unknown] %110 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1110:21, scope 27 // users: %224, %223
  // function_ref Array.append(_:)
  %222 = function_ref @$sSa6appendyyxnF : $@convention(method) <τ_0_0> (@in τ_0_0, @inout Array<τ_0_0>) -> (), loc "/src/Sources/Logging/Logging.swift":1110:31, scope 27 // user: %223
  %223 = apply %222<Logger.MetadataProvider>(%219, %221) : $@convention(method) <τ_0_0> (@in τ_0_0, @inout Array<τ_0_0>) -> (), loc "/src/Sources/Logging/Logging.swift":1110:31, scope 27
  end_access %221 : $*Array<Logger.MetadataProvider>, loc * "/src/Sources/Logging/Logging.swift":1110:21, scope 27 // id: %224
  dealloc_stack %219 : $*Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1110:62, scope 27 // id: %225
  end_borrow %215 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1111:17, scope 27 // id: %226
  destroy_value %214 : $Logger.MetadataProvider, loc "/src/Sources/Logging/Logging.swift":1111:17, scope 27 // id: %227
  br bb23, loc "/src/Sources/Logging/Logging.swift":1111:17, scope 27 // id: %228

bb23:                                             // Preds: bb22 bb21
  %229 = metatype $@thin Bool.Type, loc "/src/Sources/Logging/Logging.swift":1112:23, scope 29 // user: %247
  %230 = begin_access [read] [unknown] %110 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:24, scope 29 // users: %232, %231
  %231 = load [copy] %230 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:24, scope 29 // users: %245, %233
  end_access %230 : $*Array<Logger.MetadataProvider>, loc * "/src/Sources/Logging/Logging.swift":1112:24, scope 29 // id: %232
  %233 = begin_borrow %231 : $Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // users: %244, %235
  %234 = alloc_stack $Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // users: %248, %235
  %235 = store_borrow %233 to %234 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // users: %243, %236
  %236 = load [copy] %235 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // user: %238
  %237 = alloc_stack $Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // users: %242, %241, %240, %238
  store %236 to [init] %237 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // id: %238
  // function_ref Collection.isEmpty.getter
  %239 = function_ref @$sSlsE7isEmptySbvg : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> Bool, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // user: %240
  %240 = apply %239<[Logger.MetadataProvider]>(%237) : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> Bool, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // user: %247
  destroy_addr %237 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // id: %241
  dealloc_stack %237 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // id: %242
  end_borrow %235 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // id: %243
  end_borrow %233 : $Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // id: %244
  destroy_value %231 : $Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:24, scope 28 // id: %245
  // function_ref static Bool.! prefix(_:)
  %246 = function_ref @$sSb1nopyS2bFZ : $@convention(method) (Bool, @thin Bool.Type) -> Bool, loc "/src/Sources/Logging/Logging.swift":1112:23, scope 28 // user: %247
  %247 = apply %246(%240, %229) : $@convention(method) (Bool, @thin Bool.Type) -> Bool, loc "/src/Sources/Logging/Logging.swift":1112:23, scope 28 // user: %249
  dealloc_stack %234 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1112:34, scope 28 // id: %248
  %249 = struct_extract %247 : $Bool, #Bool._value, loc "/src/Sources/Logging/Logging.swift":1112:23, scope 28 // user: %250
  cond_br %249, bb24, bb25, loc "/src/Sources/Logging/Logging.swift":1112:23, scope 28 // id: %250

bb24:                                             // Preds: bb23
  %251 = metatype $@thin Logger.MetadataProvider.Type, loc "/src/Sources/Logging/Logging.swift":1115:24, scope 28 // user: %256
  %252 = begin_access [read] [unknown] %110 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1115:35, scope 28 // users: %254, %253
  %253 = load [copy] %252 : $*Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1115:35, scope 28 // users: %257, %256
  end_access %252 : $*Array<Logger.MetadataProvider>, loc * "/src/Sources/Logging/Logging.swift":1115:35, scope 28 // id: %254
  // function_ref static Logger.MetadataProvider.multiplex(_:)
  %255 = function_ref @$s7Logging6LoggerV16MetadataProviderV9multiplexyAESgSayAEGFZ : $@convention(method) (@guaranteed Array<Logger.MetadataProvider>, @thin Logger.MetadataProvider.Type) -> @owned Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1115:25, scope 28 // user: %256
  %256 = apply %255(%253, %251) : $@convention(method) (@guaranteed Array<Logger.MetadataProvider>, @thin Logger.MetadataProvider.Type) -> @owned Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1115:25, scope 28 // user: %259
  destroy_value %253 : $Array<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1115:44, scope 28 // id: %257
  destroy_value %109 : ${ var Array<Logger.MetadataProvider> }, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 28 // id: %258
  br bb26(%256 : $Optional<Logger.MetadataProvider>), loc "/src/Sources/Logging/Logging.swift":1115:17, scope 28 // id: %259

bb25:                                             // Preds: bb23
  increment_profiler_counter 9, "$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg", num_counters 10, hash 0, loc "/src/Sources/Logging/Logging.swift":1112:47, scope 29 // id: %260
  %261 = enum $Optional<Logger.MetadataProvider>, #Optional.none!enumelt, loc "/src/Sources/Logging/Logging.swift":1113:28, scope 29 // user: %263
  destroy_value %109 : ${ var Array<Logger.MetadataProvider> }, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 29 // id: %262
  br bb26(%261 : $Optional<Logger.MetadataProvider>), loc "/src/Sources/Logging/Logging.swift":1113:21, scope 29 // id: %263

// %264                                           // user: %265
bb26(%264 : @owned $Optional<Logger.MetadataProvider>): // Preds: bb24 bb25 bb10 bb9 bb6 bb5
  return %264 : $Optional<Logger.MetadataProvider>, loc "/src/Sources/Logging/Logging.swift":1117:9, scope 28 // id: %265
} // end sil function '$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg'

Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /usr/bin/swift-frontend -frontend -c /src/Sources/Logging/Locks.swift /src/Sources/Logging/LogHandler.swift -primary-file /src/Sources/Logging/Logging.swift -primary-file /src/Sources/Logging/MetadataProvider.swift -emit-dependencies-path /src/.build/aarch64-unknown-linux-gnu/debug/Logging.build/Logging.d -emit-reference-dependencies-path /src/.build/aarch64-unknown-linux-gnu/debug/Logging.build/Logging.swiftdeps -emit-dependencies-path /src/.build/aarch64-unknown-linux-gnu/debug/Logging.build/MetadataProvider.d -emit-reference-dependencies-path /src/.build/aarch64-unknown-linux-gnu/debug/Logging.build/MetadataProvider.swiftdeps -target aarch64-unknown-linux-gnu -Xllvm -aarch64-use-tbi -disable-objc-interop -I /src/.build/aarch64-unknown-linux-gnu/debug -color-diagnostics -enable-testing -g -module-cache-path /src/.build/aarch64-unknown-linux-gnu/debug/ModuleCache -profile-generate -profile-coverage-mapping -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -new-driver-path /usr/bin/swift-driver -empty-abi-descriptor -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -resource-dir /usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -fPIC -module-name Logging -parse-as-library -o /src/.build/aarch64-unknown-linux-gnu/debug/Logging.build/Logging.swift.o -o /src/.build/aarch64-unknown-linux-gnu/debug/Logging.build/MetadataProvider.swift.o -index-store-path /src/.build/aarch64-unknown-linux-gnu/debug/index/store -index-system-modules
1.	Swift version 5.9-dev (LLVM 8277d73ee656251, Swift 4de53fc2e7cee4d)
2.	Compiling with the current language version
3.	While evaluating request ASTLoweringRequest(Lowering AST to SIL for file "/src/Sources/Logging/Logging.swift")
4.	While silgen emitFunction SIL function "@$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg".
 for getter for metadataProvider (at /src/Sources/Logging/Logging.swift:1086:16)
5.	While verifying SIL function "@$s7Logging19MultiplexLogHandlerV16metadataProviderAA6LoggerV08MetadataF0VSgvg".
 for getter for metadataProvider (at /src/Sources/Logging/Logging.swift:1086:16)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
/usr/bin/swift-frontend(+0x69824ec)[0xaaaae07b24ec]
/usr/bin/swift-frontend(+0x69804dc)[0xaaaae07b04dc]
/usr/bin/swift-frontend(+0x6982900)[0xaaaae07b2900]
linux-vdso.so.1(__kernel_rt_sigreturn+0x0)[0xffffbeadf78c]
/lib/aarch64-linux-gnu/libc.so.6(+0x7f200)[0xffffbdfbf200]
/lib/aarch64-linux-gnu/libc.so.6(raise+0x1c)[0xffffbdf7a67c]
/lib/aarch64-linux-gnu/libc.so.6(abort+0xe4)[0xffffbdf67130]
/usr/bin/swift-frontend(+0x1d6a058)[0xaaaadbb9a058]
/usr/bin/swift-frontend(+0x1d6e530)[0xaaaadbb9e530]
/usr/bin/swift-frontend(+0x1d6c868)[0xaaaadbb9c868]
/usr/bin/swift-frontend(+0x1d66300)[0xaaaadbb96300]
/usr/bin/swift-frontend(+0x13804f0)[0xaaaadb1b04f0]
/usr/bin/swift-frontend(+0x137fbfc)[0xaaaadb1afbfc]
/usr/bin/swift-frontend(+0x1381d6c)[0xaaaadb1b1d6c]
/usr/bin/swift-frontend(+0x137e448)[0xaaaadb1ae448]
/usr/bin/swift-frontend(+0x1446520)[0xaaaadb276520]
/usr/bin/swift-frontend(+0x23e9a08)[0xaaaadc219a08]
/usr/bin/swift-frontend(+0x1446774)[0xaaaadb276774]
/usr/bin/swift-frontend(+0x1446488)[0xaaaadb276488]
/usr/bin/swift-frontend(+0x1442f5c)[0xaaaadb272f5c]
/usr/bin/swift-frontend(+0x1442e80)[0xaaaadb272e80]
/usr/bin/swift-frontend(+0x1384174)[0xaaaadb1b4174]
/usr/bin/swift-frontend(+0x14363f4)[0xaaaadb2663f4]
/usr/bin/swift-frontend(+0x1388384)[0xaaaadb1b8384]
/usr/bin/swift-frontend(+0x1385630)[0xaaaadb1b5630]
/usr/bin/swift-frontend(+0xd91310)[0xaaaadabc1310]
/usr/bin/swift-frontend(+0xda410c)[0xaaaadabd410c]
/usr/bin/swift-frontend(+0xd940e0)[0xaaaadabc40e0]
/usr/bin/swift-frontend(+0xd92d14)[0xaaaadabc2d14]
/usr/bin/swift-frontend(+0xc19064)[0xaaaadaa49064]
/lib/aarch64-linux-gnu/libc.so.6(+0x273fc)[0xffffbdf673fc]
/lib/aarch64-linux-gnu/libc.so.6(__libc_start_main+0x98)[0xffffbdf674cc]
/usr/bin/swift-frontend(+0xc17db0)[0xaaaadaa47db0]

error: fatalError

dnadoba · 2023-04-17T13:20:15Z

and swift-algorithms

# swift test --enable-code-coverage
Fetching https://github.com/apple/swift-numerics
Fetched https://github.com/apple/swift-numerics (1.17s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.0.2 (0.25s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.0.2
Building for debugging...
error: emit-module command failed due to signal 6 (use -v to see invocation)
Broken instruction!
  %86 = metatype $@thin Bool.Type                 // user: %99
in scope
{

   parent: {
  
     parent: {
    
       parent: {
      
         parent: {
        
           parent: {
          
             parent: {
            /src/Sources/Algorithms/Chunked.swift:244:15
               parent: @$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF
              }
            
            }
          
          }
        
        }
      
      }
    
    }
  
  }
Previous, non-contiguous scope set by  %81 = unchecked_take_enum_data_addr %68 : $*Optional<(index: Self.Index, element: Self.Element)>, #Optional.some!enumelt // users: %83, %82
in scope
{

   parent: {
  
     parent: {
    
       parent: {
      
         parent: {
        
           parent: {
          /src/Sources/Algorithms/Chunked.swift:244:15
             parent: @$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF
            }
          
          }
        
        }
      
      }
    
    }
  
  }
Please report a bug on bugs.swift.org
Pass -Xllvm -verify-di-holes=false to disable the verification
SIL verification failed: Basic block contains a non-contiguous lexical scope at -Onone: DS == LastSeenScope
Verifying instruction:
     %80 = alloc_stack [lexical] $Self.Element, let, name "element", loc "/src/Sources/Algorithms/Chunked.swift":253:17, scope 0 // users: %143, %142, %137, %93, %222, %221, %85
     %89 = alloc_stack $Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":254:33, scope 0 // users: %97, %96, %93, %219, %218, %90
     %92 = begin_borrow %87 : $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, loc "/src/Sources/Algorithms/Chunked.swift":254:15, scope 0 // users: %95, %93, %217
->   try_apply %92(%89, %80) : $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, normal bb4, error bb14, loc "/src/Sources/Algorithms/Chunked.swift":254:15, scope 0 // id: %93
In function:
sil_scope 1 { loc "/src/Sources/Algorithms/Chunked.swift":244:15 parent @$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@guaranteed @noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <τ_0_0.Element, τ_0_0.Element>, @in_guaranteed τ_0_0) -> (@owned Array<τ_0_0.SubSequence>, @error any Error) }
sil_scope 2 { loc "/src/Sources/Algorithms/Chunked.swift":247:5 parent 1 }
sil_scope 3 { loc "/src/Sources/Algorithms/Chunked.swift":247:25 parent 2 }
sil_scope 4 { loc "/src/Sources/Algorithms/Chunked.swift":248:9 parent 2 }
sil_scope 5 { loc "/src/Sources/Algorithms/Chunked.swift":248:33 parent 4 }
sil_scope 6 { loc "/src/Sources/Algorithms/Chunked.swift":250:9 parent 4 }
sil_scope 7 { loc "/src/Sources/Algorithms/Chunked.swift":250:17 parent 6 }
sil_scope 8 { loc "/src/Sources/Algorithms/Chunked.swift":251:9 parent 6 }
sil_scope 9 { loc "/src/Sources/Algorithms/Chunked.swift":251:19 parent 8 }
sil_scope 10 { loc "/src/Sources/Algorithms/Chunked.swift":253:5 parent 8 }
sil_scope 11 { loc "/src/Sources/Algorithms/Chunked.swift":253:51 parent 10 }
sil_scope 12 { loc "/src/Sources/Algorithms/Chunked.swift":254:7 parent 11 }
sil_scope 13 { loc "/src/Sources/Algorithms/Chunked.swift":254:51 parent 12 }
sil_scope 14 { loc "/src/Sources/Algorithms/Chunked.swift":261:5 parent 8 }
sil_scope 15 { loc "/src/Sources/Algorithms/Chunked.swift":261:26 parent 14 }

// Collection.chunked(by:), loc "/src/Sources/Algorithms/Chunked.swift":244:15, scope 1
sil [serialized] [ossa] @$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF : $@convention(method) <Self where Self : Collection> (@guaranteed @noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, @in_guaranteed Self) -> (@owned Array<Self.SubSequence>, @error any Error) {
// %0 "belongInSameGroup"                         // users: %87, %2
// %1 "self"                                      // users: %182, %156, %115, %59, %43, %30, %8, %3
bb0(%0 : @guaranteed $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, %1 : $*Self):
  debug_value %0 : $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, let, name "belongInSameGroup", argno 1, loc "/src/Sources/Algorithms/Chunked.swift":245:8, scope 1 // id: %2
  debug_value %1 : $*Self, let, name "self", argno 2, implicit, expr op_deref, loc "/src/Sources/Algorithms/Chunked.swift":244:15, scope 1 // id: %3
  debug_value undef : $any Error, var, name "$error", argno 3, loc "/src/Sources/Algorithms/Chunked.swift":246:5, scope 1 // id: %4
  increment_profiler_counter 0, "$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF", num_counters 5, hash 0, loc "/src/Sources/Algorithms/Chunked.swift":246:31, scope 1 // id: %5
  %6 = metatype $@thin Bool.Type, loc "/src/Sources/Algorithms/Chunked.swift":247:11, scope 3 // user: %13
  %7 = alloc_stack $Self, loc "/src/Sources/Algorithms/Chunked.swift":247:12, scope 2 // users: %14, %11, %10, %8
  copy_addr %1 to [init] %7 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":247:12, scope 2 // id: %8
  %9 = witness_method $Self, #Collection.isEmpty!getter : <Self where Self : Collection> (Self) -> () -> Bool : $@convention(witness_method: Collection) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> Bool, loc "/src/Sources/Algorithms/Chunked.swift":247:12, scope 2 // user: %10
  %10 = apply %9<Self>(%7) : $@convention(witness_method: Collection) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> Bool, loc "/src/Sources/Algorithms/Chunked.swift":247:12, scope 2 // user: %13
  destroy_addr %7 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":247:12, scope 2 // id: %11
  // function_ref static Bool.! prefix(_:)
  %12 = function_ref @$sSb1nopyS2bFZ : $@convention(method) (Bool, @thin Bool.Type) -> Bool, loc "/src/Sources/Algorithms/Chunked.swift":247:11, scope 2 // user: %13
  %13 = apply %12(%10, %6) : $@convention(method) (Bool, @thin Bool.Type) -> Bool, loc "/src/Sources/Algorithms/Chunked.swift":247:11, scope 2 // user: %15
  dealloc_stack %7 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":247:12, scope 2 // id: %14
  %15 = struct_extract %13 : $Bool, #Bool._value, loc "/src/Sources/Algorithms/Chunked.swift":247:11, scope 2 // user: %16
  cond_br %15, bb1, bb12, loc "/src/Sources/Algorithms/Chunked.swift":247:11, scope 2 // id: %16

bb1:                                              // Preds: bb0
  %17 = alloc_box $<τ_0_0 where τ_0_0 : Collection> { var Array<τ_0_0.SubSequence> } <Self>, var, name "result", loc "/src/Sources/Algorithms/Chunked.swift":248:9, scope 4 // users: %204, %232, %18
  %18 = project_box %17 : $<τ_0_0 where τ_0_0 : Collection> { var Array<τ_0_0.SubSequence> } <Self>, 0, loc "/src/Sources/Algorithms/Chunked.swift":248:9, scope 4 // users: %197, %187, %120, %25
  %19 = integer_literal $Builtin.Word, 0, loc "/src/Sources/Algorithms/Chunked.swift":248:33, scope 5 // user: %21
  // function_ref _allocateUninitializedArray<A>(_:)
  %20 = function_ref @$ss27_allocateUninitializedArrayySayxG_BptBwlF : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/Algorithms/Chunked.swift":248:33, scope 5 // user: %21
  %21 = apply %20<Self.SubSequence>(%19) : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/Algorithms/Chunked.swift":248:33, scope 5 // user: %22
  (%22, %23) = destructure_tuple %21 : $(Array<Self.SubSequence>, Builtin.RawPointer), loc "/src/Sources/Algorithms/Chunked.swift":248:33, scope 5 // users: %25, %24
  %24 = pointer_to_address %23 : $Builtin.RawPointer to [strict] $*Self.SubSequence, loc "/src/Sources/Algorithms/Chunked.swift":248:33, scope 5
  store %22 to [init] %18 : $*Array<Self.SubSequence>, loc "/src/Sources/Algorithms/Chunked.swift":248:33, scope 5 // id: %25
  %26 = alloc_box $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Index } <Self>, var, name "start", loc "/src/Sources/Algorithms/Chunked.swift":250:9, scope 6 // users: %203, %231, %27
  %27 = begin_borrow [lexical] %26 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Index } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":250:9, scope 6 // users: %202, %230, %28
  %28 = project_box %27 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Index } <Self>, 0, loc "/src/Sources/Algorithms/Chunked.swift":250:9, scope 6 // users: %173, %151, %130, %106, %38, %32
  %29 = alloc_stack $Self, loc "/src/Sources/Algorithms/Chunked.swift":250:17, scope 7 // users: %34, %33, %32, %30
  copy_addr %1 to [init] %29 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":250:17, scope 7 // id: %30
  %31 = witness_method $Self, #Collection.startIndex!getter : <Self where Self : Collection> (Self) -> () -> Self.Index : $@convention(witness_method: Collection) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> @out τ_0_0.Index, loc "/src/Sources/Algorithms/Chunked.swift":250:17, scope 7 // user: %32
  %32 = apply %31<Self>(%28, %29) : $@convention(witness_method: Collection) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> @out τ_0_0.Index, loc "/src/Sources/Algorithms/Chunked.swift":250:17, scope 7
  destroy_addr %29 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":250:17, scope 7 // id: %33
  dealloc_stack %29 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":250:17, scope 7 // id: %34
  %35 = alloc_box $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Element } <Self>, var, name "current", loc "/src/Sources/Algorithms/Chunked.swift":251:9, scope 8 // users: %201, %229, %36
  %36 = begin_borrow [lexical] %35 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Element } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":251:9, scope 8 // users: %200, %228, %37
  %37 = project_box %36 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Element } <Self>, 0, loc "/src/Sources/Algorithms/Chunked.swift":251:9, scope 8 // users: %138, %88, %47
  %38 = begin_access [read] [unknown] %28 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":251:24, scope 8 // users: %41, %40
  %39 = alloc_stack $Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":251:24, scope 8 // users: %52, %51, %45, %40
  copy_addr %38 to [init] %39 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":251:24, scope 8 // id: %40
  end_access %38 : $*Self.Index, loc * "/src/Sources/Algorithms/Chunked.swift":251:24, scope 8 // id: %41
  %42 = alloc_stack $Self, loc "/src/Sources/Algorithms/Chunked.swift":251:23, scope 9 // users: %50, %49, %45, %43
  copy_addr %1 to [init] %42 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":251:23, scope 9 // id: %43
  %44 = witness_method $Self, #Collection.subscript!read : <Self where Self : Collection> (Self) -> (Self.Index) -> () : $@yield_once @convention(witness_method: Collection) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0.Index, @in_guaranteed τ_0_0) -> @yields @in_guaranteed τ_0_0.Element, loc "/src/Sources/Algorithms/Chunked.swift":251:23, scope 9 // user: %45
  (%45, %46) = begin_apply %44<Self>(%39, %42) : $@yield_once @convention(witness_method: Collection) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0.Index, @in_guaranteed τ_0_0) -> @yields @in_guaranteed τ_0_0.Element, loc "/src/Sources/Algorithms/Chunked.swift":251:23, scope 9 // users: %47, %48
  copy_addr %45 to [init] %37 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":251:23, scope 9 // id: %47
  end_apply %46, loc "/src/Sources/Algorithms/Chunked.swift":251:29, scope 9 // id: %48
  destroy_addr %42 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":251:29, scope 9 // id: %49
  dealloc_stack %42 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":251:29, scope 9 // id: %50
  destroy_addr %39 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":251:29, scope 9 // id: %51
  dealloc_stack %39 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":251:29, scope 9 // id: %52
  %53 = alloc_box $<τ_0_0 where τ_0_0 : Collection> { var IndexingIterator<Slice<IndexedCollection<τ_0_0>>> } <Self>, var, name "$generator", loc "/src/Sources/Algorithms/Chunked.swift":253:29, scope 9 // users: %149, %227, %54
  %54 = begin_borrow [lexical] %53 : $<τ_0_0 where τ_0_0 : Collection> { var IndexingIterator<Slice<IndexedCollection<τ_0_0>>> } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":253:29, scope 9 // users: %148, %226, %55
  %55 = project_box %54 : $<τ_0_0 where τ_0_0 : Collection> { var IndexingIterator<Slice<IndexedCollection<τ_0_0>>> } <Self>, 0, loc "/src/Sources/Algorithms/Chunked.swift":253:29, scope 9 // users: %71, %66
  %56 = alloc_stack $Slice<IndexedCollection<Self>>, loc * "/src/Sources/Algorithms/Chunked.swift":253:39, scope 9 // users: %67, %66, %63
  %57 = alloc_stack $IndexedCollection<Self>, loc * "/src/Sources/Algorithms/Chunked.swift":253:29, scope 9 // users: %64, %63, %59
  // function_ref Collection.indexed()
  %58 = function_ref @$sSl10AlgorithmsE7indexedAA17IndexedCollectionVyxGyF : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> @out IndexedCollection<τ_0_0>, loc "/src/Sources/Algorithms/Chunked.swift":253:29, scope 10 // user: %59
  %59 = apply %58<Self>(%57, %1) : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> @out IndexedCollection<τ_0_0>, loc "/src/Sources/Algorithms/Chunked.swift":253:29, scope 10
  // function_ref default argument 0 of Collection.dropFirst(_:)
  %60 = function_ref @$sSlsE9dropFirsty11SubSequenceQzSiFfA_ : $@convention(thin) <τ_0_0 where τ_0_0 : Collection> () -> Int, loc "/src/Sources/Algorithms/Chunked.swift":253:48, scope 10 // user: %61
  %61 = apply %60<IndexedCollection<Self>>() : $@convention(thin) <τ_0_0 where τ_0_0 : Collection> () -> Int, loc "/src/Sources/Algorithms/Chunked.swift":253:48, scope 10 // user: %63
  // function_ref Collection.dropFirst(_:)
  %62 = function_ref @$sSlsE9dropFirsty11SubSequenceQzSiF : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (Int, @in τ_0_0) -> @out τ_0_0.SubSequence, loc "/src/Sources/Algorithms/Chunked.swift":253:39, scope 10 // user: %63
  %63 = apply %62<IndexedCollection<Self>>(%56, %61, %57) : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (Int, @in τ_0_0) -> @out τ_0_0.SubSequence, loc "/src/Sources/Algorithms/Chunked.swift":253:39, scope 10
  dealloc_stack %57 : $*IndexedCollection<Self>, loc "/src/Sources/Algorithms/Chunked.swift":253:49, scope 10 // id: %64
  // function_ref Collection<>.makeIterator()
  %65 = function_ref @$sSlss16IndexingIteratorVyxG0B0RtzrlE04makeB0ACyF : $@convention(method) <τ_0_0 where τ_0_0 : Collection, τ_0_0.Iterator == IndexingIterator<τ_0_0>> (@in τ_0_0) -> @out IndexingIterator<τ_0_0>, scope 10 // user: %66
  %66 = apply %65<Slice<IndexedCollection<Self>>>(%55, %56) : $@convention(method) <τ_0_0 where τ_0_0 : Collection, τ_0_0.Iterator == IndexingIterator<τ_0_0>> (@in τ_0_0) -> @out IndexingIterator<τ_0_0>, loc "/src/Sources/Algorithms/Chunked.swift":253:39, scope 10
  dealloc_stack %56 : $*Slice<IndexedCollection<Self>>, loc "/src/Sources/Algorithms/Chunked.swift":253:49, scope 10 // id: %67
  %68 = alloc_stack $Optional<(index: Self.Index, element: Self.Element)>, loc "/src/Sources/Algorithms/Chunked.swift":253:5, scope 10 // users: %147, %225, %81, %77, %75
  br bb2, loc "/src/Sources/Algorithms/Chunked.swift":253:5, scope 10 // id: %69

bb2:                                              // Preds: bb7 bb1
  %70 = alloc_stack $Optional<(index: Self.Index, element: Self.Element)>, loc * "/src/Sources/Algorithms/Chunked.swift":253:5, scope 10 // users: %76, %75, %73
  %71 = begin_access [modify] [unknown] %55 : $*IndexingIterator<Slice<IndexedCollection<Self>>>, loc "/src/Sources/Algorithms/Chunked.swift":253:5, scope 10 // users: %74, %73
  // function_ref IndexingIterator.next()
  %72 = function_ref @$ss16IndexingIteratorV4next7ElementQzSgyF : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@inout IndexingIterator<τ_0_0>) -> @out Optional<τ_0_0.Element>, scope 10 // user: %73
  %73 = apply %72<Slice<IndexedCollection<Self>>>(%70, %71) : $@convention(method) <τ_0_0 where τ_0_0 : Collection> (@inout IndexingIterator<τ_0_0>) -> @out Optional<τ_0_0.Element>, loc "/src/Sources/Algorithms/Chunked.swift":253:5, scope 10
  end_access %71 : $*IndexingIterator<Slice<IndexedCollection<Self>>>, loc * "/src/Sources/Algorithms/Chunked.swift":253:5, scope 10 // id: %74
  copy_addr [take] %70 to [init] %68 : $*Optional<(index: Self.Index, element: Self.Element)>, loc "/src/Sources/Algorithms/Chunked.swift":253:39, scope 10 // id: %75
  dealloc_stack %70 : $*Optional<(index: Self.Index, element: Self.Element)>, loc "/src/Sources/Algorithms/Chunked.swift":259:5, scope 10 // id: %76
  switch_enum_addr %68 : $*Optional<(index: Self.Index, element: Self.Element)>, case #Optional.some!enumelt: bb3, case #Optional.none!enumelt: bb8, loc "/src/Sources/Algorithms/Chunked.swift":253:5, scope 10 // id: %77

bb3:                                              // Preds: bb2
  increment_profiler_counter 2, "$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF", num_counters 5, hash 0, loc "/src/Sources/Algorithms/Chunked.swift":253:51, scope 11 // id: %78
  %79 = alloc_stack [lexical] $Self.Index, let, name "index", loc "/src/Sources/Algorithms/Chunked.swift":253:10, scope 10 // users: %145, %144, %129, %111, %224, %223, %84
  %80 = alloc_stack [lexical] $Self.Element, let, name "element", loc "/src/Sources/Algorithms/Chunked.swift":253:17, scope 10 // users: %143, %142, %137, %93, %222, %221, %85
  %81 = unchecked_take_enum_data_addr %68 : $*Optional<(index: Self.Index, element: Self.Element)>, #Optional.some!enumelt, loc "/src/Sources/Algorithms/Chunked.swift":253:5, scope 10 // users: %83, %82
  %82 = tuple_element_addr %81 : $*(index: Self.Index, element: Self.Element), 0, loc "/src/Sources/Algorithms/Chunked.swift":253:26, scope 10 // user: %84
  %83 = tuple_element_addr %81 : $*(index: Self.Index, element: Self.Element), 1, loc "/src/Sources/Algorithms/Chunked.swift":253:26, scope 10 // user: %85
  copy_addr [take] %82 to [init] %79 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":253:26, scope 10 // id: %84
  copy_addr [take] %83 to [init] %80 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":253:26, scope 10 // id: %85
  %86 = metatype $@thin Bool.Type, loc "/src/Sources/Algorithms/Chunked.swift":254:14, scope 11 // user: %99
  %87 = copy_value %0 : $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, loc "/src/Sources/Algorithms/Chunked.swift":254:15, scope 12 // users: %100, %220, %92
  %88 = begin_access [read] [unknown] %37 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":254:33, scope 12 // users: %91, %90
  %89 = alloc_stack $Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":254:33, scope 12 // users: %97, %96, %93, %219, %218, %90
  copy_addr %88 to [init] %89 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":254:33, scope 12 // id: %90
  end_access %88 : $*Self.Element, loc * "/src/Sources/Algorithms/Chunked.swift":254:33, scope 12 // id: %91
  %92 = begin_borrow %87 : $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, loc "/src/Sources/Algorithms/Chunked.swift":254:15, scope 12 // users: %95, %93, %217
  try_apply %92(%89, %80) : $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, normal bb4, error bb14, loc "/src/Sources/Algorithms/Chunked.swift":254:15, scope 12 // id: %93

// %94                                            // user: %99
bb4(%94 : $Bool):                                 // Preds: bb3
  end_borrow %92 : $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, loc "/src/Sources/Algorithms/Chunked.swift":254:49, scope 12 // id: %95
  destroy_addr %89 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":254:49, scope 12 // id: %96
  dealloc_stack %89 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":254:49, scope 12 // id: %97
  // function_ref static Bool.! prefix(_:)
  %98 = function_ref @$sSb1nopyS2bFZ : $@convention(method) (Bool, @thin Bool.Type) -> Bool, loc "/src/Sources/Algorithms/Chunked.swift":254:14, scope 12 // user: %99
  %99 = apply %98(%94, %86) : $@convention(method) (Bool, @thin Bool.Type) -> Bool, loc "/src/Sources/Algorithms/Chunked.swift":254:14, scope 12 // user: %101
  destroy_value %87 : $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, loc "/src/Sources/Algorithms/Chunked.swift":254:49, scope 12 // id: %100
  %101 = struct_extract %99 : $Bool, #Bool._value, loc "/src/Sources/Algorithms/Chunked.swift":254:14, scope 12 // user: %102
  cond_br %101, bb5, bb6, loc "/src/Sources/Algorithms/Chunked.swift":254:14, scope 12 // id: %102

bb5:                                              // Preds: bb4
  increment_profiler_counter 3, "$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF", num_counters 5, hash 0, loc "/src/Sources/Algorithms/Chunked.swift":254:51, scope 13 // id: %103
  %104 = alloc_stack $Range<Self.Index>, loc * "/src/Sources/Algorithms/Chunked.swift":255:33, scope 13 // users: %127, %126, %118, %111
  %105 = metatype $@thick Self.Index.Type, loc "/src/Sources/Algorithms/Chunked.swift":255:33, scope 13 // user: %111
  %106 = begin_access [read] [unknown] %28 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":255:28, scope 13 // users: %109, %108
  %107 = alloc_stack $Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":255:28, scope 13 // users: %113, %112, %111, %108
  copy_addr %106 to [init] %107 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":255:28, scope 13 // id: %108
  end_access %106 : $*Self.Index, loc * "/src/Sources/Algorithms/Chunked.swift":255:28, scope 13 // id: %109
  // function_ref static Comparable...< infix(_:_:)
  %110 = function_ref @$sSLsE3zzloiySnyxGx_xtFZ : $@convention(method) <τ_0_0 where τ_0_0 : Comparable> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> @out Range<τ_0_0>, loc "/src/Sources/Algorithms/Chunked.swift":255:33, scope 13 // user: %111
  %111 = apply %110<Self.Index>(%104, %107, %79, %105) : $@convention(method) <τ_0_0 where τ_0_0 : Comparable> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> @out Range<τ_0_0>, loc "/src/Sources/Algorithms/Chunked.swift":255:33, scope 13
  destroy_addr %107 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":255:36, scope 13 // id: %112
  dealloc_stack %107 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":255:36, scope 13 // id: %113
  %114 = alloc_stack $Self, loc "/src/Sources/Algorithms/Chunked.swift":255:27, scope 13 // users: %125, %119, %118, %115
  copy_addr %1 to [init] %114 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":255:27, scope 13 // id: %115
  %116 = alloc_stack $Self.SubSequence, loc * "/src/Sources/Algorithms/Chunked.swift":255:27, scope 13 // users: %124, %122, %118
  %117 = witness_method $Self, #Collection.subscript!getter : <Self where Self : Collection> (Self) -> (Range<Self.Index>) -> Self.SubSequence : $@convention(witness_method: Collection) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed Range<τ_0_0.Index>, @in_guaranteed τ_0_0) -> @out τ_0_0.SubSequence, loc "/src/Sources/Algorithms/Chunked.swift":255:27, scope 13 // user: %118
  %118 = apply %117<Self>(%116, %104, %114) : $@convention(witness_method: Collection) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed Range<τ_0_0.Index>, @in_guaranteed τ_0_0) -> @out τ_0_0.SubSequence, loc "/src/Sources/Algorithms/Chunked.swift":255:27, scope 13
  destroy_addr %114 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":255:41, scope 13 // id: %119
  %120 = begin_access [modify] [unknown] %18 : $*Array<Self.SubSequence>, loc "/src/Sources/Algorithms/Chunked.swift":255:9, scope 13 // users: %123, %122
  // function_ref Array.append(_:)
  %121 = function_ref @$sSa6appendyyxnF : $@convention(method) <τ_0_0> (@in τ_0_0, @inout Array<τ_0_0>) -> (), loc "/src/Sources/Algorithms/Chunked.swift":255:16, scope 13 // user: %122
  %122 = apply %121<Self.SubSequence>(%116, %120) : $@convention(method) <τ_0_0> (@in τ_0_0, @inout Array<τ_0_0>) -> (), loc "/src/Sources/Algorithms/Chunked.swift":255:16, scope 13
  end_access %120 : $*Array<Self.SubSequence>, loc * "/src/Sources/Algorithms/Chunked.swift":255:9, scope 13 // id: %123
  dealloc_stack %116 : $*Self.SubSequence, loc "/src/Sources/Algorithms/Chunked.swift":255:42, scope 13 // id: %124
  dealloc_stack %114 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":255:42, scope 13 // id: %125
  destroy_addr %104 : $*Range<Self.Index>, loc "/src/Sources/Algorithms/Chunked.swift":255:42, scope 13 // id: %126
  dealloc_stack %104 : $*Range<Self.Index>, loc "/src/Sources/Algorithms/Chunked.swift":255:42, scope 13 // id: %127
  %128 = alloc_stack $Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":256:17, scope 13 // users: %133, %131, %129
  copy_addr %79 to [init] %128 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":256:17, scope 13 // id: %129
  %130 = begin_access [modify] [unknown] %28 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":256:15, scope 13 // users: %132, %131
  copy_addr [take] %128 to %130 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":256:15, scope 13 // id: %131
  end_access %130 : $*Self.Index, loc * "/src/Sources/Algorithms/Chunked.swift":256:15, scope 13 // id: %132
  dealloc_stack %128 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":256:17, scope 13 // id: %133
  br bb7, loc "/src/Sources/Algorithms/Chunked.swift":257:7, scope 13 // id: %134

bb6:                                              // Preds: bb4
  br bb7, loc "/src/Sources/Algorithms/Chunked.swift":254:7, scope 12 // id: %135

bb7:                                              // Preds: bb5 bb6
  %136 = alloc_stack $Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":258:17, scope 11 // users: %141, %139, %137
  copy_addr %80 to [init] %136 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":258:17, scope 11 // id: %137
  %138 = begin_access [modify] [unknown] %37 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":258:15, scope 11 // users: %140, %139
  copy_addr [take] %136 to %138 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":258:15, scope 11 // id: %139
  end_access %138 : $*Self.Element, loc * "/src/Sources/Algorithms/Chunked.swift":258:15, scope 11 // id: %140
  dealloc_stack %136 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":258:17, scope 11 // id: %141
  destroy_addr %80 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":259:5, scope 11 // id: %142
  dealloc_stack %80 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":259:5, scope 11 // id: %143
  destroy_addr %79 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":259:5, scope 11 // id: %144
  dealloc_stack %79 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":259:5, scope 11 // id: %145
  br bb2, loc "/src/Sources/Algorithms/Chunked.swift":259:5, scope 11 // id: %146

bb8:                                              // Preds: bb2
  dealloc_stack %68 : $*Optional<(index: Self.Index, element: Self.Element)>, loc "/src/Sources/Algorithms/Chunked.swift":259:5, scope 10 // id: %147
  end_borrow %54 : $<τ_0_0 where τ_0_0 : Collection> { var IndexingIterator<Slice<IndexedCollection<τ_0_0>>> } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":259:5, scope 10 // id: %148
  destroy_value %53 : $<τ_0_0 where τ_0_0 : Collection> { var IndexingIterator<Slice<IndexedCollection<τ_0_0>>> } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":259:5, scope 10 // id: %149
  %150 = metatype $@thick Self.Index.Type, loc "/src/Sources/Algorithms/Chunked.swift":261:14, scope 10 // user: %162
  %151 = begin_access [read] [unknown] %28 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":261:8, scope 10 // users: %154, %153
  %152 = alloc_stack $Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":261:8, scope 10 // users: %167, %166, %162, %153
  copy_addr %151 to [init] %152 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":261:8, scope 10 // id: %153
  end_access %151 : $*Self.Index, loc * "/src/Sources/Algorithms/Chunked.swift":261:8, scope 10 // id: %154
  %155 = alloc_stack $Self, loc "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14 // users: %165, %160, %159, %156
  copy_addr %1 to [init] %155 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14 // id: %156
  %157 = alloc_stack $Self.Index, loc * "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14 // users: %164, %163, %162, %159
  %158 = witness_method $Self, #Collection.endIndex!getter : <Self where Self : Collection> (Self) -> () -> Self.Index : $@convention(witness_method: Collection) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> @out τ_0_0.Index, loc "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14 // user: %159
  %159 = apply %158<Self>(%157, %155) : $@convention(witness_method: Collection) <τ_0_0 where τ_0_0 : Collection> (@in_guaranteed τ_0_0) -> @out τ_0_0.Index, loc "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14
  destroy_addr %155 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14 // id: %160
  // function_ref static Equatable.!= infix(_:_:)
  %161 = function_ref @$sSQsE2neoiySbx_xtFZ : $@convention(method) <τ_0_0 where τ_0_0 : Equatable> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> Bool, loc "/src/Sources/Algorithms/Chunked.swift":261:14, scope 14 // user: %162
  %162 = apply %161<Self.Index>(%152, %157, %150) : $@convention(method) <τ_0_0 where τ_0_0 : Equatable> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_0, @thick τ_0_0.Type) -> Bool, loc "/src/Sources/Algorithms/Chunked.swift":261:14, scope 14 // user: %168
  destroy_addr %157 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14 // id: %163
  dealloc_stack %157 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14 // id: %164
  dealloc_stack %155 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14 // id: %165
  destroy_addr %152 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14 // id: %166
  dealloc_stack %152 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":261:17, scope 14 // id: %167
  %168 = struct_extract %162 : $Bool, #Bool._value, loc "/src/Sources/Algorithms/Chunked.swift":261:14, scope 14 // user: %169
  cond_br %168, bb9, bb10, loc "/src/Sources/Algorithms/Chunked.swift":261:14, scope 14 // id: %169

bb9:                                              // Preds: bb8
  increment_profiler_counter 4, "$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF", num_counters 5, hash 0, loc "/src/Sources/Algorithms/Chunked.swift":261:26, scope 15 // id: %170
  %171 = alloc_stack $PartialRangeFrom<Self.Index>, loc * "/src/Sources/Algorithms/Chunked.swift":262:31, scope 15 // users: %194, %193, %185, %178
  %172 = metatype $@thick Self.Index.Type, loc "/src/Sources/Algorithms/Chunked.swift":262:31, scope 15 // user: %178
  %173 = begin_access [read] [unknown] %28 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":262:26, scope 15 // users: %176, %175
  %174 = alloc_stack $Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":262:26, scope 15 // users: %180, %179, %178, %175
  copy_addr %173 to [init] %174 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":262:26, scope 15 // id: %175
  end_access %173 : $*Self.Index, loc * "/src/Sources/Algorithms/Chunked.swift":262:26, scope 15 // id: %176
  // function_ref static Comparable.... postfix(_:)
  %177 = function_ref @$sSLsE3zzzoPys16PartialRangeFromVyxGxFZ : $@convention(method) <τ_0_0 where τ_0_0 : Comparable> (@in_guaranteed τ_0_0, @thick τ_0_0.Type) -> @out PartialRangeFrom<τ_0_0>, loc "/src/Sources/Algorithms/Chunked.swift":262:31, scope 15 // user: %178
  %178 = apply %177<Self.Index>(%171, %174, %172) : $@convention(method) <τ_0_0 where τ_0_0 : Comparable> (@in_guaranteed τ_0_0, @thick τ_0_0.Type) -> @out PartialRangeFrom<τ_0_0>, loc "/src/Sources/Algorithms/Chunked.swift":262:31, scope 15
  destroy_addr %174 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":262:31, scope 15 // id: %179
  dealloc_stack %174 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":262:31, scope 15 // id: %180
  %181 = alloc_stack $Self, loc "/src/Sources/Algorithms/Chunked.swift":262:25, scope 15 // users: %192, %186, %185, %182
  copy_addr %1 to [init] %181 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":262:25, scope 15 // id: %182
  %183 = alloc_stack $Self.SubSequence, loc * "/src/Sources/Algorithms/Chunked.swift":262:25, scope 15 // users: %191, %189, %185
  // function_ref Collection.subscript.getter
  %184 = function_ref @$sSlsEy11SubSequenceQzqd__cSXRd__5BoundQyd__5IndexRtzluig : $@convention(method) <τ_0_0 where τ_0_0 : Collection><τ_1_0 where τ_1_0 : RangeExpression, τ_0_0.Index == τ_1_0.Bound> (@in_guaranteed τ_1_0, @in_guaranteed τ_0_0) -> @out τ_0_0.SubSequence, loc "/src/Sources/Algorithms/Chunked.swift":262:25, scope 15 // user: %185
  %185 = apply %184<Self, PartialRangeFrom<Self.Index>>(%183, %171, %181) : $@convention(method) <τ_0_0 where τ_0_0 : Collection><τ_1_0 where τ_1_0 : RangeExpression, τ_0_0.Index == τ_1_0.Bound> (@in_guaranteed τ_1_0, @in_guaranteed τ_0_0) -> @out τ_0_0.SubSequence, loc "/src/Sources/Algorithms/Chunked.swift":262:25, scope 15
  destroy_addr %181 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":262:34, scope 15 // id: %186
  %187 = begin_access [modify] [unknown] %18 : $*Array<Self.SubSequence>, loc "/src/Sources/Algorithms/Chunked.swift":262:7, scope 15 // users: %190, %189
  // function_ref Array.append(_:)
  %188 = function_ref @$sSa6appendyyxnF : $@convention(method) <τ_0_0> (@in τ_0_0, @inout Array<τ_0_0>) -> (), loc "/src/Sources/Algorithms/Chunked.swift":262:14, scope 15 // user: %189
  %189 = apply %188<Self.SubSequence>(%183, %187) : $@convention(method) <τ_0_0> (@in τ_0_0, @inout Array<τ_0_0>) -> (), loc "/src/Sources/Algorithms/Chunked.swift":262:14, scope 15
  end_access %187 : $*Array<Self.SubSequence>, loc * "/src/Sources/Algorithms/Chunked.swift":262:7, scope 15 // id: %190
  dealloc_stack %183 : $*Self.SubSequence, loc "/src/Sources/Algorithms/Chunked.swift":262:35, scope 15 // id: %191
  dealloc_stack %181 : $*Self, loc "/src/Sources/Algorithms/Chunked.swift":262:35, scope 15 // id: %192
  destroy_addr %171 : $*PartialRangeFrom<Self.Index>, loc "/src/Sources/Algorithms/Chunked.swift":262:35, scope 15 // id: %193
  dealloc_stack %171 : $*PartialRangeFrom<Self.Index>, loc "/src/Sources/Algorithms/Chunked.swift":262:35, scope 15 // id: %194
  br bb11, loc "/src/Sources/Algorithms/Chunked.swift":263:5, scope 15 // id: %195

bb10:                                             // Preds: bb8
  br bb11, loc "/src/Sources/Algorithms/Chunked.swift":261:5, scope 14 // id: %196

bb11:                                             // Preds: bb9 bb10
  %197 = begin_access [read] [unknown] %18 : $*Array<Self.SubSequence>, loc "/src/Sources/Algorithms/Chunked.swift":265:12, scope 15 // users: %199, %198
  %198 = load [copy] %197 : $*Array<Self.SubSequence>, loc "/src/Sources/Algorithms/Chunked.swift":265:12, scope 15 // user: %205
  end_access %197 : $*Array<Self.SubSequence>, loc * "/src/Sources/Algorithms/Chunked.swift":265:12, scope 15 // id: %199
  end_borrow %36 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Element } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 15 // id: %200
  destroy_value %35 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Element } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 15 // id: %201
  end_borrow %27 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Index } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 15 // id: %202
  destroy_value %26 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Index } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 15 // id: %203
  destroy_value %17 : $<τ_0_0 where τ_0_0 : Collection> { var Array<τ_0_0.SubSequence> } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 15 // id: %204
  br bb13(%198 : $Array<Self.SubSequence>), loc "/src/Sources/Algorithms/Chunked.swift":265:5, scope 8 // id: %205

bb12:                                             // Preds: bb0
  increment_profiler_counter 1, "$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF", num_counters 5, hash 0, loc "/src/Sources/Algorithms/Chunked.swift":247:25, scope 3 // id: %206
  %207 = integer_literal $Builtin.Word, 0, loc "/src/Sources/Algorithms/Chunked.swift":247:34, scope 3 // user: %209
  // function_ref _allocateUninitializedArray<A>(_:)
  %208 = function_ref @$ss27_allocateUninitializedArrayySayxG_BptBwlF : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/Algorithms/Chunked.swift":247:34, scope 3 // user: %209
  %209 = apply %208<Self.SubSequence>(%207) : $@convention(thin) <τ_0_0> (Builtin.Word) -> (@owned Array<τ_0_0>, Builtin.RawPointer), loc "/src/Sources/Algorithms/Chunked.swift":247:34, scope 3 // user: %210
  (%210, %211) = destructure_tuple %209 : $(Array<Self.SubSequence>, Builtin.RawPointer), loc "/src/Sources/Algorithms/Chunked.swift":247:34, scope 3 // users: %213, %212
  %212 = pointer_to_address %211 : $Builtin.RawPointer to [strict] $*Self.SubSequence, loc "/src/Sources/Algorithms/Chunked.swift":247:34, scope 3
  br bb13(%210 : $Array<Self.SubSequence>), loc "/src/Sources/Algorithms/Chunked.swift":247:27, scope 3 // id: %213

// %214                                           // user: %215
bb13(%214 : @owned $Array<Self.SubSequence>):     // Preds: bb11 bb12
  return %214 : $Array<Self.SubSequence>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 8 // id: %215

// %216                                           // user: %233
bb14(%216 : @owned $any Error):                   // Preds: bb3
  end_borrow %92 : $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, loc "/src/Sources/Algorithms/Chunked.swift":254:49, scope 12 // id: %217
  destroy_addr %89 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %218
  dealloc_stack %89 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %219
  destroy_value %87 : $@noescape @callee_guaranteed @substituted <τ_0_0, τ_0_1> (@in_guaranteed τ_0_0, @in_guaranteed τ_0_1) -> (Bool, @error any Error) for <Self.Element, Self.Element>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %220
  destroy_addr %80 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %221
  dealloc_stack %80 : $*Self.Element, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %222
  destroy_addr %79 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %223
  dealloc_stack %79 : $*Self.Index, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %224
  dealloc_stack %68 : $*Optional<(index: Self.Index, element: Self.Element)>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %225
  end_borrow %54 : $<τ_0_0 where τ_0_0 : Collection> { var IndexingIterator<Slice<IndexedCollection<τ_0_0>>> } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %226
  destroy_value %53 : $<τ_0_0 where τ_0_0 : Collection> { var IndexingIterator<Slice<IndexedCollection<τ_0_0>>> } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %227
  end_borrow %36 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Element } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %228
  destroy_value %35 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Element } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %229
  end_borrow %27 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Index } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %230
  destroy_value %26 : $<τ_0_0 where τ_0_0 : Collection> { var τ_0_0.Index } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %231
  destroy_value %17 : $<τ_0_0 where τ_0_0 : Collection> { var Array<τ_0_0.SubSequence> } <Self>, loc "/src/Sources/Algorithms/Chunked.swift":266:3, scope 12 // id: %232
  throw %216 : $any Error, loc "/src/Sources/Algorithms/Chunked.swift":254:49, scope 8 // id: %233
} // end sil function '$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF'

Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /src/Sources/Algorithms/AdjacentPairs.swift /src/Sources/Algorithms/Chain.swift /src/Sources/Algorithms/Chunked.swift /src/Sources/Algorithms/Combinations.swift /src/Sources/Algorithms/Compacted.swift /src/Sources/Algorithms/Cycle.swift /src/Sources/Algorithms/EitherSequence.swift /src/Sources/Algorithms/FirstNonNil.swift /src/Sources/Algorithms/FlattenCollection.swift /src/Sources/Algorithms/Indexed.swift /src/Sources/Algorithms/Intersperse.swift /src/Sources/Algorithms/Joined.swift /src/Sources/Algorithms/MinMax.swift /src/Sources/Algorithms/Partition.swift /src/Sources/Algorithms/Permutations.swift /src/Sources/Algorithms/Product.swift /src/Sources/Algorithms/RandomSample.swift /src/Sources/Algorithms/Reductions.swift /src/Sources/Algorithms/Rotate.swift /src/Sources/Algorithms/Split.swift /src/Sources/Algorithms/Stride.swift /src/Sources/Algorithms/Suffix.swift /src/Sources/Algorithms/Trim.swift /src/Sources/Algorithms/Unique.swift /src/Sources/Algorithms/Windows.swift -target aarch64-unknown-linux-gnu -Xllvm -aarch64-use-tbi -disable-objc-interop -I /src/.build/aarch64-unknown-linux-gnu/debug -color-diagnostics -enable-testing -g -module-cache-path /src/.build/aarch64-unknown-linux-gnu/debug/ModuleCache -profile-generate -profile-coverage-mapping -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -new-driver-path /usr/bin/swift-driver -empty-abi-descriptor -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -resource-dir /usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -fmodule-map-file=/src/.build/checkouts/swift-numerics/Sources/_NumericsShims/include/module.modulemap -Xcc -I -Xcc /src/.build/checkouts/swift-numerics/Sources/_NumericsShims/include -Xcc -fPIC -module-name Algorithms -emit-module-doc-path /src/.build/aarch64-unknown-linux-gnu/debug/Algorithms.swiftdoc -emit-module-source-info-path /src/.build/aarch64-unknown-linux-gnu/debug/Algorithms.swiftsourceinfo -emit-dependencies-path /src/.build/aarch64-unknown-linux-gnu/debug/Algorithms.build/Algorithms.emit-module.d -parse-as-library -o /src/.build/aarch64-unknown-linux-gnu/debug/Algorithms.swiftmodule
1.	Swift version 5.9-dev (LLVM 8277d73ee656251, Swift 4de53fc2e7cee4d)
2.	Compiling with the current language version
3.	While evaluating request ASTLoweringRequest(Lowering AST to SIL for module Algorithms)
4.	While silgen emitFunction SIL function "@$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF".
 for 'chunked(by:)' (at /src/Sources/Algorithms/Chunked.swift:244:10)
5.	While verifying SIL function "@$sSl10AlgorithmsE7chunked2bySay11SubSequenceQzGSb7ElementQz_AHtKXE_tKF".
 for 'chunked(by:)' (at /src/Sources/Algorithms/Chunked.swift:244:10)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
/usr/bin/swift-frontend(+0x69824ec)[0xaaaad1e624ec]
/usr/bin/swift-frontend(+0x69804dc)[0xaaaad1e604dc]
/usr/bin/swift-frontend(+0x6982900)[0xaaaad1e62900]
linux-vdso.so.1(__kernel_rt_sigreturn+0x0)[0xffff9564178c]
/lib/aarch64-linux-gnu/libc.so.6(+0x7f200)[0xffff94b1f200]
/lib/aarch64-linux-gnu/libc.so.6(raise+0x1c)[0xffff94ada67c]
/lib/aarch64-linux-gnu/libc.so.6(abort+0xe4)[0xffff94ac7130]
/usr/bin/swift-frontend(+0x1d6a058)[0xaaaacd24a058]
/usr/bin/swift-frontend(+0x1d6e530)[0xaaaacd24e530]
/usr/bin/swift-frontend(+0x1d6c868)[0xaaaacd24c868]
/usr/bin/swift-frontend(+0x1d66300)[0xaaaacd246300]
/usr/bin/swift-frontend(+0x13804f0)[0xaaaacc8604f0]
/usr/bin/swift-frontend(+0x137fbfc)[0xaaaacc85fbfc]
/usr/bin/swift-frontend(+0x1381d6c)[0xaaaacc861d6c]
/usr/bin/swift-frontend(+0x137e448)[0xaaaacc85e448]
/usr/bin/swift-frontend(+0x1447e84)[0xaaaacc927e84]
/usr/bin/swift-frontend(+0x14436f8)[0xaaaacc9236f8]
/usr/bin/swift-frontend(+0x1443684)[0xaaaacc923684]
/usr/bin/swift-frontend(+0x1384174)[0xaaaacc864174]
/usr/bin/swift-frontend(+0x14363f4)[0xaaaacc9163f4]
/usr/bin/swift-frontend(+0x1388384)[0xaaaacc868384]
/usr/bin/swift-frontend(+0x1385500)[0xaaaacc865500]
/usr/bin/swift-frontend(+0xd91480)[0xaaaacc271480]
/usr/bin/swift-frontend(+0xda410c)[0xaaaacc28410c]
/usr/bin/swift-frontend(+0xd940e0)[0xaaaacc2740e0]
/usr/bin/swift-frontend(+0xd92d14)[0xaaaacc272d14]
/usr/bin/swift-frontend(+0xc19064)[0xaaaacc0f9064]
/lib/aarch64-linux-gnu/libc.so.6(+0x273fc)[0xffff94ac73fc]
/lib/aarch64-linux-gnu/libc.so.6(__libc_start_main+0x98)[0xffff94ac74cc]
/usr/bin/swift-frontend(+0xc17db0)[0xaaaacc0f7db0]

error: fatalError

dnadoba · 2023-04-17T13:38:59Z

Could reduce it to this one line function:

func foo(sequence: some Sequence) {
    for _ in sequence {}
}

Crash log

# swift test --enable-code-coverage
Building for debugging...
error: compile command failed due to signal 6 (use -v to see invocation)
Broken instruction!
  br bb1                                          // id: %21
in scope
{

   parent: {
  
     parent: {
    /src/Sources/PlaygroundExecutbale/Foo.swift:1:6
       parent: @$s20PlaygroundExecutbale3foo8sequenceyx_tSTRzlF
      }
    
    }
  
  }
Previous, non-contiguous scope set by  %19 = unchecked_take_enum_data_addr %11 : $*Optional<(some Sequence).Element>, #Optional.some!enumelt // user: %20
in scope
{

   parent: {
  /src/Sources/PlaygroundExecutbale/Foo.swift:1:6
     parent: @$s20PlaygroundExecutbale3foo8sequenceyx_tSTRzlF
    }
  
  }
Please report a bug on bugs.swift.org
Pass -Xllvm -verify-di-holes=false to disable the verification
SIL verification failed: Basic block contains a non-contiguous lexical scope at -Onone: DS == LastSeenScope
Verifying instruction:
->   br bb1, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:24, scope 0 // id: %21
In function:
sil_scope 1 { loc "/src/Sources/PlaygroundExecutbale/Foo.swift":1:6 parent @$s20PlaygroundExecutbale3foo8sequenceyx_tSTRzlF : $@convention(thin) <τ_0_0 where τ_0_0 : Sequence> (@in_guaranteed τ_0_0) -> () }
sil_scope 2 { loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:5 parent 1 }
sil_scope 3 { loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:23 parent 2 }

// foo<A>(sequence:), loc "/src/Sources/PlaygroundExecutbale/Foo.swift":1:6, scope 1
sil [ossa] @$s20PlaygroundExecutbale3foo8sequenceyx_tSTRzlF : $@convention(thin) <<anonymous> where <anonymous> : Sequence> (@in_guaranteed <anonymous>) -> () {
// %0 "sequence"                                  // users: %7, %1
bb0(%0 : $*some Sequence):
  debug_value %0 : $*some Sequence, let, name "sequence", argno 1, expr op_deref, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":1:10, scope 1 // id: %1
  increment_profiler_counter 0, "$s20PlaygroundExecutbale3foo8sequenceyx_tSTRzlF", num_counters 2, hash 0, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":1:35, scope 1 // id: %2
  %3 = alloc_box $<τ_0_0 where τ_0_0 : Sequence> { var τ_0_0.Iterator } <some Sequence>, var, name "$generator", loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:14, scope 1 // users: %24, %4
  %4 = begin_borrow [lexical] %3 : $<τ_0_0 where τ_0_0 : Sequence> { var τ_0_0.Iterator } <some Sequence>, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:14, scope 1 // users: %23, %5
  %5 = project_box %4 : $<τ_0_0 where τ_0_0 : Sequence> { var τ_0_0.Iterator } <some Sequence>, 0, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:14, scope 1 // users: %13, %9
  %6 = alloc_stack $some Sequence, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:14, scope 2 // users: %10, %9, %7
  copy_addr %0 to [init] %6 : $*some Sequence, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:14, scope 2 // id: %7
  %8 = witness_method $some Sequence, #Sequence.makeIterator : <Self where Self : Sequence> (__owned Self) -> () -> Self.Iterator : $@convention(witness_method: Sequence) <τ_0_0 where τ_0_0 : Sequence> (@in τ_0_0) -> @out τ_0_0.Iterator, scope 2 // user: %9
  %9 = apply %8<some Sequence>(%5, %6) : $@convention(witness_method: Sequence) <τ_0_0 where τ_0_0 : Sequence> (@in τ_0_0) -> @out τ_0_0.Iterator, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:14, scope 2
  dealloc_stack %6 : $*some Sequence, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:14, scope 2 // id: %10
  %11 = alloc_stack $Optional<(some Sequence).Element>, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:5, scope 2 // users: %22, %19, %17, %15
  br bb1, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:5, scope 2 // id: %12

bb1:                                              // Preds: bb2 bb0
  %13 = begin_access [modify] [unknown] %5 : $*(some Sequence).Iterator, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:5, scope 2 // users: %16, %15
  %14 = witness_method $(some Sequence).Iterator, #IteratorProtocol.next : <Self where Self : IteratorProtocol> (inout Self) -> () -> Self.Element? : $@convention(witness_method: IteratorProtocol) <τ_0_0 where τ_0_0 : IteratorProtocol> (@inout τ_0_0) -> @out Optional<τ_0_0.Element>, scope 2 // user: %15
  %15 = apply %14<(some Sequence).Iterator>(%11, %13) : $@convention(witness_method: IteratorProtocol) <τ_0_0 where τ_0_0 : IteratorProtocol> (@inout τ_0_0) -> @out Optional<τ_0_0.Element>, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:5, scope 2
  end_access %13 : $*(some Sequence).Iterator, loc * "/src/Sources/PlaygroundExecutbale/Foo.swift":2:5, scope 2 // id: %16
  switch_enum_addr %11 : $*Optional<(some Sequence).Element>, case #Optional.some!enumelt: bb2, case #Optional.none!enumelt: bb3, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:5, scope 2 // id: %17

bb2:                                              // Preds: bb1
  increment_profiler_counter 1, "$s20PlaygroundExecutbale3foo8sequenceyx_tSTRzlF", num_counters 2, hash 0, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:23, scope 3 // id: %18
  %19 = unchecked_take_enum_data_addr %11 : $*Optional<(some Sequence).Element>, #Optional.some!enumelt, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:5, scope 2 // user: %20
  destroy_addr %19 : $*(some Sequence).Element, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:24, scope 3 // id: %20
  br bb1, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:24, scope 3 // id: %21

bb3:                                              // Preds: bb1
  dealloc_stack %11 : $*Optional<(some Sequence).Element>, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:24, scope 2 // id: %22
  end_borrow %4 : $<τ_0_0 where τ_0_0 : Sequence> { var τ_0_0.Iterator } <some Sequence>, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:24, scope 2 // id: %23
  destroy_value %3 : $<τ_0_0 where τ_0_0 : Sequence> { var τ_0_0.Iterator } <some Sequence>, loc "/src/Sources/PlaygroundExecutbale/Foo.swift":2:24, scope 2 // id: %24
  %25 = tuple (), loc "/src/Sources/PlaygroundExecutbale/Foo.swift":3:1, scope 2 // user: %26
  return %25 : $(), loc "/src/Sources/PlaygroundExecutbale/Foo.swift":3:1, scope 2 // id: %26
} // end sil function '$s20PlaygroundExecutbale3foo8sequenceyx_tSTRzlF'

Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /usr/bin/swift-frontend -frontend -c /src/Sources/PlaygroundExecutbale/Executable.swift -primary-file /src/Sources/PlaygroundExecutbale/Foo.swift -emit-dependencies-path /src/.build/aarch64-unknown-linux-gnu/debug/PlaygroundExecutbale.build/Foo.d -emit-reference-dependencies-path /src/.build/aarch64-unknown-linux-gnu/debug/PlaygroundExecutbale.build/Foo.swiftdeps -target aarch64-unknown-linux-gnu -Xllvm -aarch64-use-tbi -disable-objc-interop -I /src/.build/aarch64-unknown-linux-gnu/debug -color-diagnostics -enable-testing -g -module-cache-path /src/.build/aarch64-unknown-linux-gnu/debug/ModuleCache -profile-generate -profile-coverage-mapping -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -new-driver-path /usr/bin/swift-driver -entry-point-function-name PlaygroundExecutbale_main -warn-concurrency -empty-abi-descriptor -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -resource-dir /usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -fPIC -module-name PlaygroundExecutbale -o /src/.build/aarch64-unknown-linux-gnu/debug/PlaygroundExecutbale.build/Foo.swift.o -index-store-path /src/.build/aarch64-unknown-linux-gnu/debug/index/store -index-system-modules
1.	Swift version 5.9-dev (LLVM 8277d73ee656251, Swift 4de53fc2e7cee4d)
2.	Compiling with the current language version
3.	While evaluating request ASTLoweringRequest(Lowering AST to SIL for file "/src/Sources/PlaygroundExecutbale/Foo.swift")
4.	While silgen emitFunction SIL function "@$s20PlaygroundExecutbale3foo8sequenceyx_tSTRzlF".
 for 'foo(sequence:)' (at /src/Sources/PlaygroundExecutbale/Foo.swift:1:1)
5.	While verifying SIL function "@$s20PlaygroundExecutbale3foo8sequenceyx_tSTRzlF".
 for 'foo(sequence:)' (at /src/Sources/PlaygroundExecutbale/Foo.swift:1:1)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
/usr/bin/swift-frontend(+0x69824ec)[0xaaaab14d24ec]
/usr/bin/swift-frontend(+0x69804dc)[0xaaaab14d04dc]
/usr/bin/swift-frontend(+0x6982900)[0xaaaab14d2900]
linux-vdso.so.1(__kernel_rt_sigreturn+0x0)[0xffff8f16978c]
/lib/aarch64-linux-gnu/libc.so.6(+0x7f200)[0xffff8e63f200]
/lib/aarch64-linux-gnu/libc.so.6(raise+0x1c)[0xffff8e5fa67c]
/lib/aarch64-linux-gnu/libc.so.6(abort+0xe4)[0xffff8e5e7130]
/usr/bin/swift-frontend(+0x1d6a058)[0xaaaaac8ba058]
/usr/bin/swift-frontend(+0x1d6e530)[0xaaaaac8be530]
/usr/bin/swift-frontend(+0x1d6c868)[0xaaaaac8bc868]
/usr/bin/swift-frontend(+0x1d66300)[0xaaaaac8b6300]
/usr/bin/swift-frontend(+0x13804f0)[0xaaaaabed04f0]
/usr/bin/swift-frontend(+0x137fbfc)[0xaaaaabecfbfc]
/usr/bin/swift-frontend(+0x1381d6c)[0xaaaaabed1d6c]
/usr/bin/swift-frontend(+0x137e448)[0xaaaaabece448]
/usr/bin/swift-frontend(+0x1384174)[0xaaaaabed4174]
/usr/bin/swift-frontend(+0x14363f4)[0xaaaaabf863f4]
/usr/bin/swift-frontend(+0x1388384)[0xaaaaabed8384]
/usr/bin/swift-frontend(+0x1385630)[0xaaaaabed5630]
/usr/bin/swift-frontend(+0xd91310)[0xaaaaab8e1310]
/usr/bin/swift-frontend(+0xda410c)[0xaaaaab8f410c]
/usr/bin/swift-frontend(+0xd940e0)[0xaaaaab8e40e0]
/usr/bin/swift-frontend(+0xd92d14)[0xaaaaab8e2d14]
/usr/bin/swift-frontend(+0xc19064)[0xaaaaab769064]
/lib/aarch64-linux-gnu/libc.so.6(+0x273fc)[0xffff8e5e73fc]
/lib/aarch64-linux-gnu/libc.so.6(__libc_start_main+0x98)[0xffff8e5e74cc]
/usr/bin/swift-frontend(+0xc17db0)[0xaaaaab767db0]

error: fatalError

…iftlang/swift#65064

gwynne · 2023-04-20T11:39:49Z

🤦‍♀️ Sorry for the noise

adrian-prantl · 2023-04-23T18:16:04Z

I believe that this is fixed on main now (at least I was unable to reproduce it).

dnadoba · 2023-04-23T20:09:26Z

Yes it is. Thanks!

dnadoba added bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. triage needed This issue needs more specific labels labels Apr 11, 2023

0xTim mentioned this issue Apr 11, 2023

Add support for proxying in WebsocketClient vapor/websocket-kit#130

Merged

gwynne mentioned this issue Apr 13, 2023

Add support for UDS and existing Channels vapor/postgres-nio#335

Merged

0xTim mentioned this issue Apr 14, 2023

Drop support for Swift 5.5 vapor/postgres-nio#336

Merged

AnthonyLatsis added opaque types Feature → types: opaque types opaque parameter types Feature → types → opaque types: opaque parameter types labels Apr 17, 2023

gwynne added a commit to vapor/postgres-nio that referenced this issue Apr 20, 2023

Add workarounds to CI for swiftlang/swift-package-manager#5853 and sw…

b2e2b5a

…iftlang/swift#65064

gwynne added a commit to vapor/postgres-nio that referenced this issue Apr 20, 2023

Add workarounds to CI for swiftlang/swift-package-manager#5853 and sw…

28b511f

…iftlang/swift#65064

gwynne added a commit to vapor/postgres-nio that referenced this issue Apr 20, 2023

Add workarounds to CI for swiftlang/swift-package-manager#5853 and sw…

f8ae7a2

…iftlang/swift#65064

gwynne added a commit to vapor/postgres-nio that referenced this issue Apr 20, 2023

Add workarounds to CI for swiftlang/swift-package-manager#5853 and sw…

d6edb3a

…iftlang/swift#65064

dnadoba closed this as completed Apr 23, 2023

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SIL verification failed: Basic block contains a non-contiguous lexical scope at -Onone: DS == LastSeenScope #65064

SIL verification failed: Basic block contains a non-contiguous lexical scope at -Onone: DS == LastSeenScope #65064

dnadoba commented Apr 11, 2023 •

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dnadoba commented Apr 17, 2023

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adrian-prantl commented Apr 23, 2023

dnadoba commented Apr 23, 2023

SIL verification failed: Basic block contains a non-contiguous lexical scope at -Onone: DS == LastSeenScope #65064

SIL verification failed: Basic block contains a non-contiguous lexical scope at -Onone: DS == LastSeenScope #65064

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