[SR-15536] Compiler crash while trying to build SwiftPM

[karwa]

Previous ID	SR-15536
Radar	rdar://problem/86252299
Original Reporter	@karwa
Type	Bug

Attachment: Download

Environment

macOS 11.6, Xcode 13.1 (13A1030d)
Building with the macOS 5.5.1 release toolchain from swift.org

Apple Swift version 5.5.1 (swift-5.5.1-RELEASE)
Target: x86_64-apple-macosx11.0

Additional Detail from JIRA

Votes	0
Component/s	Compiler
Labels	Bug
Assignee	None
Priority	Medium

md5: 4d12fe7dfcdf2f475ff0ac7fa5a45eae

Issue Description:

Trying to build 3af7f891c00d4a077ceca84734cccee83eeb1770 (Initial implementation of Command Plugins) from apple/swift-package-manager.

Snippet from the attached log:

1097/1138] Compiling Commands SnippetCard.swift
[1098/1138] Compiling Commands WatchmanHelper.swift
error: compile command failed due to signal 6 (use -v to see invocation)[1099/1138] Compiling Commands show-dependencies.swift
[1100/1138] Compiling Commands CardEvent.swift
[1101/1138] Compiling Commands CardStack.swift
SIL memory lifetime failure in @SPMTestSupport.MockWorkspace.ManagedDependencyResult.check(dependency: PackageModel.PackageIdentity, at: SPMTestSupport.MockWorkspace.State, file: Swift.StaticString, line: Swift.UInt) -> (): memory is not initialized, but should
memory location:   %317 = tuple_element_addr %314 : $*(basedOn: Optional<Workspace.ManagedDependency>, unmanagedPath: Optional<AbsolutePath>), 1 // user: %318
at instruction:   destroy_addr %314 : $*(basedOn: Optional<Workspace.ManagedDependency>, unmanagedPath: Optional<AbsolutePath>) // id: %336

in function:
// MockWorkspace.ManagedDependencyResult.check(dependency:at:file:line:)
sil [ossa] @SPMTestSupport.MockWorkspace.ManagedDependencyResult.check(dependency: PackageModel.PackageIdentity, at: SPMTestSupport.MockWorkspace.State, file: Swift.StaticString, line: Swift.UInt) -> () : $@convention(method) (@guaranteed PackageIdentity, @guaranteed MockWorkspace.State, StaticString, UInt, @guaranteed MockWorkspace.ManagedDependencyResult) -> () {
// %0 "dependencyId"                              // users: %13, %464, %5
// %1 "state"                                     // users: %25, %6
// %2 "file"                                      // users: %424, %398, %238, %297, %132, %100, %68, %194, %487, %7
// %3 "line"                                      // users: %424, %398, %238, %297, %132, %100, %68, %194, %487, %8
// %4 "self"                                      // users: %11, %9
bb0(%0 : @guaranteed $PackageIdentity, %1 : @guaranteed $MockWorkspace.State, %2 : $StaticString, %3 : $UInt, %4 : @guaranteed $MockWorkspace.ManagedDependencyResult):
  debug_value %0 : $PackageIdentity, let, name "dependencyId", argno 1 // id: %5
  debug_value %1 : $MockWorkspace.State, let, name "state", argno 2 // id: %6
  debug_value %2 : $StaticString, let, name "file", argno 3 // id: %7

[tomerd]

@swift-ci create

[tomerd]

cc @gottesmm