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[SR-11939] Using an invalid @autoclosure parameter crashes in CSApply #54359

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theblixguy opened this issue Dec 10, 2019 · 2 comments
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[SR-11939] Using an invalid @autoclosure parameter crashes in CSApply #54359

theblixguy opened this issue Dec 10, 2019 · 2 comments
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@theblixguy
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself crash Bug: A crash, i.e., an abnormal termination of software regression swift 5.2 type checker Area → compiler: Semantic analysis

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@theblixguy
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Previous ID SR-11939
Radar rdar://problem/57888481
Original Reporter @theblixguy
Type Bug
Status Resolved
Resolution Done
Environment

Swift version 5.2-dev (Swift 32e1fb1ef5)
Target: x86_64-apple-darwin19.0.0

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, 5.2Regression, CompilerCrash, TypeChecker
Assignee @theblixguy
Priority Medium

md5: 314e21e2e559e86f35d5e38d4636ceaf

Issue Description:

Reproducer:

func foo(_ closure: @autoclosure () -> String...) // gets diagnosed
foo("A") // but crashes here (although it shouldn't)
Unhandled coercion
UNREACHABLE executed at /Users/suyashsrijan/Documents/swift-src/swift/lib/Sema/CSApply.cpp:6286!

This is a regression, because it didn't use to crash in Swift 5.1 or before.
@beccadax
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@swift-ci create

@theblixguy
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Fixed by #28822

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added the crash Bug: A crash, i.e., an abnormal termination of software label Dec 12, 2022
This issue was closed.
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@theblixguy theblixguy

Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself crash Bug: A crash, i.e., an abnormal termination of software regression swift 5.2 type checker Area → compiler: Semantic analysis
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@beccadax @theblixguy @AnthonyLatsis