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bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.compilerThe Swift compiler itselfThe Swift compiler itselfcrashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software
Description
Previous ID | SR-15200 |
Radar | rdar://problem/83190880 |
Original Reporter | @gwynne |
Type | Bug |
Status | Resolved |
Resolution | Done |
Environment
Swift version 5.5-dev (LLVM 27ee1ffec3b6967, Swift c7dd41bf2c475d0)
Target: x86_64-unknown-linux-gnu
Linux ubuntu 5.11.0-1016-aws #​17~20.04.1-Ubuntu SMP Thu Aug 12 05:39:36 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Additional Detail from JIRA
Votes | 0 |
Component/s | Compiler |
Labels | Bug, CompilerCrash |
Assignee | @eeckstein |
Priority | Medium |
md5: ce5a1a391a7f060cb7e032d966aaa304
Issue Description:
Partial redacted compiler output:
SIL memory lifetime failure in @$s3App13FooControllerV9createFoo3req7NIOCore15EventLoopFutureCy8NIOHTTP118HTTPResponseStatusOG5Vapor7RequestC_tKFAHyAA20ModelAAExternalInputCSg_AA012ModelBBBBBBBrS0CSgtGAUcfU5_: memory is initialized, but shouldn't
memory location: %26 = alloc_stack $(Optional<ModelBBBBBBBExternalInput>, Optional<ModelAAExternalInput>) // users: %40, %39, %27
at instruction: dealloc_stack %26 : $*(Optional<ModelBBBBBBBExternalInput>, Optional<ModelAAExternalInput>) // id: %40
<snip>
1. Swift version 5.5-dev (LLVM 27ee1ffec3b6967, Swift c7dd41bf2c475d0)
2.
3. Contents of /tmp/TemporaryDirectory.5Hlpso/sources-1:
<snip>
4. While evaluating request ASTLoweringRequest(Lowering AST to SIL for file "/home/ubuntu/foo/Sources/App/Controllers/FooController.swift")
Metadata
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Labels
bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.compilerThe Swift compiler itselfThe Swift compiler itselfcrashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software