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[SR-9830] swift crash in swift::Mangle::SpecializationMangler::finalize() #52247

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layoutSubviews opened this issue Jan 31, 2019 · 4 comments
Closed

[SR-9830] swift crash in swift::Mangle::SpecializationMangler::finalize() #52247

layoutSubviews opened this issue Jan 31, 2019 · 4 comments
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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 5.0

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@layoutSubviews
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Previous ID SR-9830
Radar None
Original Reporter @layoutSubviews
Type Bug
Status Resolved
Resolution Done

Attachment: Download

Environment

macOS 10.14.3, Xcode 10.2 beta 1 (10P82s)

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, 5.0Regression, CompilerCrash
Assignee None
Priority Medium

md5: 8a602a3b185d6637dde326b5431c6605

Issue Description:

I'm testing support of my current project with the Swift 5 toolchain, and `swift` is crashing while demangling a specific symbol:

```
Can't demangle: So11UITableViewC_13RxDataSources0c5Tableb15SectionedReloadD6SourceCy14Differentiator22AnimatableSectionModelVySi15LatitudeToolbox011CollapsableL0V12FlattenedRowOy0nM011LegalHeaderOAN0s11InformationR0O_GSiAF16IdentifiableTypeACyHCg_GAuF0lmW0yHCg_G0C5Swift10ObservableCySayAUGGTg5
```
@belkadan
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belkadan commented Feb 1, 2019

@slavapestov, @DougGregor, I think one of you fixed this on master?

@DougGregor
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@belkadan, I think you fixed this in #21478 but it's not in beta 1.

@belkadan
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belkadan commented Feb 1, 2019

Oh, ha. Renaud, can you try with a downloadable toolchain from https://swift.org/download ? (I'm not sure which Xcode beta this fix is in.)

@layoutSubviews
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Confirmed fixed in Xcode 10.2 beta 2.

@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
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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 5.0
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@belkadan @DougGregor @AnthonyLatsis @layoutSubviews