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[SR-13826] Failed to produce diagnostic on trying to capture parameter of non-escaping closure #56224

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Gotyanov opened this issue Nov 4, 2020 · 4 comments
Closed

[SR-13826] Failed to produce diagnostic on trying to capture parameter of non-escaping closure #56224

Gotyanov opened this issue Nov 4, 2020 · 4 comments
Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself diagnostics QoI Bug: Diagnostics Quality of Implementation failed to produce diagnostic Bug → internal error: Failed to produce diagnostic for expression type checker Area → compiler: Semantic analysis

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@Gotyanov
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Gotyanov commented Nov 4, 2020

Previous ID SR-13826
Radar rdar://problem/71039314
Original Reporter @Gotyanov
Type Bug
Status Closed
Resolution Cannot Reproduce
Environment

XCode 12.2 beta 3

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

md5: 4cf2f384a577b1e9456ed3082385e5d9

Issue Description:

class Lifetime { }

func withLifetime(_ action: (Lifetime) -> Void) { }

func subscribe(_ action: @escaping () -> Void) { }

withLifetime { lifetime in
    subscribe { [lifetime] in // Failed to produce diagnostic for expression; please file a bug report
    }
}
@typesanitizer
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Slightly reduced example:

class X { }
func withX(_: (X) -> Void) { }
withX { x in { [x] in }() }

@typesanitizer
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@swift-ci create

@xedin
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xedin commented Nov 6, 2020

@Gotyanov I can't reproduce this issue with snapshot of main branch from swift.org, could you give it a try as well?

@Gotyanov
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Gotyanov commented Nov 7, 2020

I am not able to reproduce the issue with XCode 12.1 + Swift Development Snapshot 2020-11-05

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added failed to produce diagnostic Bug → internal error: Failed to produce diagnostic for expression type checker Area → compiler: Semantic analysis diagnostics QoI Bug: Diagnostics Quality of Implementation labels Dec 22, 2022
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Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself diagnostics QoI Bug: Diagnostics Quality of Implementation failed to produce diagnostic Bug → internal error: Failed to produce diagnostic for expression type checker Area → compiler: Semantic analysis
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@xedin @typesanitizer @AnthonyLatsis @Gotyanov