ICE caused by calling partial_cmp on type which doesn't implement it

[Blei]

Code

struct MyStruct {
}

fn main() {
    let mut v = vec![MyStruct{}];
    v.sort_by(|a, b| a.partial_cmp(b));
}

Meta

rustc --version --verbose:

rustc 1.71.0 (8ede3aae2 2023-07-12)
binary: rustc
commit-hash: 8ede3aae28fe6e4d52b38157d7bfe0d3bceef225
commit-date: 2023-07-12
host: aarch64-unknown-linux-gnu
release: 1.71.0
LLVM version: 16.0.5

Error output

Backtrace

$ RUST_BACKTRACE=1 cargo build
   Compiling repro v0.1.0 (/home/pb/repro)
thread 'rustc' panicked at 'index out of bounds: the len is 24 but the index is 29', /cargo/registry/src/index.crates.io-6f17d22bba15001f/ena-0.14.2/src/snapshot_vec.rs:199:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:593:5
   1: core::panicking::panic_fmt
             at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/panicking.rs:67:14
   2: core::panicking::panic_bounds_check
             at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/panicking.rs:162:5
   3: <rustc_infer::infer::type_variable::TypeVariableTable>::replace_if_possible
   4: <rustc_infer::infer::equate::Equate as rustc_middle::ty::relate::TypeRelation>::tys
   5: <rustc_infer::infer::InferCtxt>::commit_if_ok::<rustc_infer::infer::InferOk<()>, rustc_middle::ty::error::TypeError, <rustc_infer::infer::at::Trace>::eq<rustc_middle::ty::Ty>::{closure#0}>
   6: <rustc_infer::infer::InferCtxt>::can_eq::<rustc_middle::ty::Ty>
   7: <rustc_hir_typeck::fn_ctxt::FnCtxt>::suggest_derive
   8: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_no_match_method_error
   9: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_method_error
  10: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
  11: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  12: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
  13: rustc_hir_typeck::check::check_fn
  14: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_closure
  15: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
  16: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  17: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_argument_types
  18: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_method_argument_types
  19: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
  20: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  21: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_stmt
  22: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_block_with_expected
  23: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
  24: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  25: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
  26: rustc_hir_typeck::check::check_fn
  27: rustc_hir_typeck::typeck
  28: rustc_hir_typeck::used_trait_imports
  29: rustc_hir_analysis::check_crate
  30: rustc_interface::passes::analysis
  31: <rustc_interface::queries::QueryResult<&rustc_middle::ty::context::GlobalCtxt>>::enter::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}>
  32: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
  33: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

error: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.71.0 (8ede3aae2 2023-07-12) running on aarch64-unknown-linux-gnu

note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [typeck] type-checking `main`
#1 [used_trait_imports] finding used_trait_imports `main`
#2 [analysis] running analysis passes on this crate
end of query stack
error: internal compiler error: no warnings or errors encountered even though `delayed_good_path_bugs` issued

error: internal compiler error: trimmed_def_paths constructed but no error emitted; use `DelayDm` for lints or `with_no_trimmed_paths` for debugging
  |
  = note: delayed at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/compiler/rustc_errors/src/lib.rs:1620:30
             0: std::backtrace_rs::backtrace::libunwind::trace
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
             1: std::backtrace_rs::backtrace::trace_unsynchronized
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
             2: std::backtrace::Backtrace::create
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/backtrace.rs:332:13
             3: <rustc_errors::Handler>::delay_good_path_bug::<&str>
             4: rustc_middle::ty::print::pretty::trimmed_def_paths
             5: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::trimmed_def_paths::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
             6: <rustc_query_impl::query_impl::trimmed_def_paths::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
             7: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
             8: rustc_query_impl::query_impl::trimmed_def_paths::get_query_incr::__rust_end_short_backtrace
             9: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::Printer>::print_def_path
            10: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::pretty_print_type
            11: <rustc_middle::ty::sty::TypeAndMut as rustc_middle::ty::print::Print<rustc_middle::ty::print::pretty::FmtPrinter>>::print
            12: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::pretty_print_type
            13: <rustc_middle::ty::context::TyCtxt>::short_ty_string
            14: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_no_match_method_error
            15: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_method_error
            16: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            17: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            18: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
            19: rustc_hir_typeck::check::check_fn
            20: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_closure
            21: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            22: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            23: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_argument_types
            24: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_method_argument_types
            25: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            26: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            27: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_stmt
            28: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_block_with_expected
            29: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            30: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            31: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
            32: rustc_hir_typeck::check::check_fn
            33: rustc_hir_typeck::typeck
            34: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            35: <rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            36: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            37: rustc_query_impl::query_impl::typeck::get_query_incr::__rust_end_short_backtrace
            38: rustc_hir_typeck::used_trait_imports
            39: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::used_trait_imports::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            40: <rustc_query_impl::query_impl::used_trait_imports::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            41: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            42: rustc_query_impl::query_impl::used_trait_imports::get_query_incr::__rust_end_short_backtrace
            43: rustc_hir_analysis::check_crate
            44: rustc_interface::passes::analysis
            45: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            46: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            47: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            48: rustc_query_impl::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
            49: <rustc_interface::queries::QueryResult<&rustc_middle::ty::context::GlobalCtxt>>::enter::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}>
            50: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            51: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            52: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            53: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            54: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
            55: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
            56: std::sys::unix::thread::Thread::new::thread_start
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys/unix/thread.rs:108:17
            57: <unknown>
            58: <unknown>
          

error: internal compiler error: used a `TypeErrCtxt` without raising an error or lint
  |
  = note: delayed at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/compiler/rustc_errors/src/lib.rs:1620:30
             0: std::backtrace_rs::backtrace::libunwind::trace
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
             1: std::backtrace_rs::backtrace::trace_unsynchronized
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
             2: std::backtrace::Backtrace::create
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/backtrace.rs:332:13
             3: <rustc_errors::Handler>::delay_good_path_bug::<&str>
             4: core::ptr::drop_in_place::<rustc_infer::infer::error_reporting::TypeErrCtxt>
             5: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_no_match_method_error
             6: <rustc_hir_typeck::fn_ctxt::FnCtxt>::report_method_error
             7: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
             8: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
             9: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
            10: rustc_hir_typeck::check::check_fn
            11: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_closure
            12: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            13: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            14: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_argument_types
            15: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_method_argument_types
            16: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            17: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            18: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_stmt
            19: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_block_with_expected
            20: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_kind
            21: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
            22: <rustc_hir_typeck::fn_ctxt::FnCtxt>::check_return_expr
            23: rustc_hir_typeck::check::check_fn
            24: rustc_hir_typeck::typeck
            25: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            26: <rustc_query_impl::query_impl::typeck::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            27: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            28: rustc_query_impl::query_impl::typeck::get_query_incr::__rust_end_short_backtrace
            29: rustc_hir_typeck::used_trait_imports
            30: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::used_trait_imports::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
            31: <rustc_query_impl::query_impl::used_trait_imports::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
            32: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            33: rustc_query_impl::query_impl::used_trait_imports::get_query_incr::__rust_end_short_backtrace
            34: rustc_hir_analysis::check_crate
            35: rustc_interface::passes::analysis
            36: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
            37: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
            38: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, true>
            39: rustc_query_impl::query_impl::analysis::get_query_incr::__rust_end_short_backtrace
            40: <rustc_interface::queries::QueryResult<&rustc_middle::ty::context::GlobalCtxt>>::enter::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}>
            41: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
            42: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            43: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
            44: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            45: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
            46: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
            47: std::sys::unix::thread::Thread::new::thread_start
                       at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys/unix/thread.rs:108:17
            48: <unknown>
            49: <unknown>
          

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.71.0 (8ede3aae2 2023-07-12) running on aarch64-unknown-linux-gnu

note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
thread 'rustc' panicked at 'panic in a function that cannot unwind', library/core/src/panicking.rs:126:5
stack backtrace:
   0:     0xffff7b91216c - std::backtrace_rs::backtrace::libunwind::trace::h5ba5357b9a083fa0
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0xffff7b91216c - std::backtrace_rs::backtrace::trace_unsynchronized::h50209a046e340266
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0xffff7b91216c - std::sys_common::backtrace::_print_fmt::hc1f0fe6a809af61e
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:65:5
   3:     0xffff7b91216c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1dc727a23fab6b83
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:44:22
   4:     0xffff7b968614 - core::fmt::rt::Argument::fmt::hdb7178e51bb87859
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/fmt/rt.rs:138:9
   5:     0xffff7b968614 - core::fmt::write::h93016cb9b016717f
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/fmt/mod.rs:1094:21
   6:     0xffff7b907718 - std::io::Write::write_fmt::hd05d9d1974faeacd
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/io/mod.rs:1713:15
   7:     0xffff7b911fb8 - std::sys_common::backtrace::_print::h63e8991360658009
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:47:5
   8:     0xffff7b911fb8 - std::sys_common::backtrace::print::hc0e015b240e04d4b
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:34:9
   9:     0xffff7b914958 - std::panicking::default_hook::{{closure}}::h578d14e5d7d719df
  10:     0xffff7b914748 - std::panicking::default_hook::h79df13a143e47d78
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:288:9
  11:     0xffff7c66f304 - rustc_driver_impl[492613cbdc8a8111]::install_ice_hook::{closure#0}
  12:     0xffff7b9150a4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcc0795040a45dbd6
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1999:9
  13:     0xffff7b9150a4 - std::panicking::rust_panic_with_hook::hacc6c775e464554f
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:709:13
  14:     0xffff7b914df8 - std::panicking::begin_panic_handler::{{closure}}::hc234bdc87cdab675
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:595:13
  15:     0xffff7b912578 - std::sys_common::backtrace::__rust_end_short_backtrace::h413cb82ec8fa424a
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys_common/backtrace.rs:151:18
  16:     0xffff7b914b9c - rust_begin_unwind
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/panicking.rs:593:5
  17:     0xffff7b8e1a8c - core::panicking::panic_nounwind_fmt::hde4ec10aeb9da661
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/panicking.rs:96:14
  18:     0xffff7b8e1b08 - core::panicking::panic_nounwind::h35760e692767f269
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/panicking.rs:126:5
  19:     0xffff7b8e1c00 - core::panicking::panic_cannot_unwind::h89c70eaf666fdee4
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/core/src/panicking.rs:188:5
  20:     0xffff7c6a576c - <scoped_tls[c4fa54d76b44a017]::ScopedKey<rustc_span[5d7ecd2103a31699]::SessionGlobals>>::set::<rustc_interface[be9a1f241e7bec3b]::interface::run_compiler<core[ce7c1b80f89f61af]::result::Result<(), rustc_span[5d7ecd2103a31699]::ErrorGuaranteed>, rustc_driver_impl[492613cbdc8a8111]::run_compiler::{closure#1}>::{closure#0}, core[ce7c1b80f89f61af]::result::Result<(), rustc_span[5d7ecd2103a31699]::ErrorGuaranteed>>
  21:     0xffff7c64365c - std[fa0cf8fa971950e]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[be9a1f241e7bec3b]::util::run_in_thread_pool_with_globals<rustc_interface[be9a1f241e7bec3b]::interface::run_compiler<core[ce7c1b80f89f61af]::result::Result<(), rustc_span[5d7ecd2103a31699]::ErrorGuaranteed>, rustc_driver_impl[492613cbdc8a8111]::run_compiler::{closure#1}>::{closure#0}, core[ce7c1b80f89f61af]::result::Result<(), rustc_span[5d7ecd2103a31699]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ce7c1b80f89f61af]::result::Result<(), rustc_span[5d7ecd2103a31699]::ErrorGuaranteed>>
  22:     0xffff7c69b39c - <<std[fa0cf8fa971950e]::thread::Builder>::spawn_unchecked_<rustc_interface[be9a1f241e7bec3b]::util::run_in_thread_pool_with_globals<rustc_interface[be9a1f241e7bec3b]::interface::run_compiler<core[ce7c1b80f89f61af]::result::Result<(), rustc_span[5d7ecd2103a31699]::ErrorGuaranteed>, rustc_driver_impl[492613cbdc8a8111]::run_compiler::{closure#1}>::{closure#0}, core[ce7c1b80f89f61af]::result::Result<(), rustc_span[5d7ecd2103a31699]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[ce7c1b80f89f61af]::result::Result<(), rustc_span[5d7ecd2103a31699]::ErrorGuaranteed>>::{closure#1} as core[ce7c1b80f89f61af]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  23:     0xffff7b91ea60 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf086f9e2ccb58764
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
  24:     0xffff7b91ea60 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7d8a44b475ea4a2f
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/alloc/src/boxed.rs:1985:9
  25:     0xffff7b91ea60 - std::sys::unix::thread::Thread::new::thread_start::h9739608577c2d86d
                               at /rustc/8ede3aae28fe6e4d52b38157d7bfe0d3bceef225/library/std/src/sys/unix/thread.rs:108:17
  26:     0xffff7b73e814 - <unknown>
  27:     0xffff7b7a7d5c - <unknown>
  28:                0x0 - <unknown>

error: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.71.0 (8ede3aae2 2023-07-12) running on aarch64-unknown-linux-gnu

note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
thread caused non-unwinding panic. aborting.
error: could not compile `repro` (bin "repro")

Caused by:
  process didn't exit successfully: `/home/pb/.rustup/toolchains/stable-aarch64-unknown-linux-gnu/bin/rustc --crate-name repro --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=168 --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=4d475bc5aedb8b82 -C extra-filename=-4d475bc5aedb8b82 --out-dir /home/pb/repro/target/debug/deps -C incremental=/home/pb/repro/target/debug/incremental -L dependency=/home/pb/repro/target/debug/deps` (signal: 6, SIGABRT: process abort signal)

[Blei]

Ok, nvm, this is a dupe of #114049.