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[SR-7905] Crash when wrapping objc value in swift enum #50440

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swift-ci opened this issue Jun 7, 2018 · 9 comments
Open

[SR-7905] Crash when wrapping objc value in swift enum #50440

swift-ci opened this issue Jun 7, 2018 · 9 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 run-time crash Bug → crash: Swift code crashed during execution

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@swift-ci
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swift-ci commented Jun 7, 2018

Previous ID SR-7905
Radar None
Original Reporter noahsmartin (JIRA User)
Type Bug
Status In Progress
Resolution

Attachment: Download

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, RunTimeCrash
Assignee noahsmartin (JIRA)
Priority Medium

md5: 1761e50f052c28a2d5c143c2b61f9d40

Issue Description:

The attached sample project reproduces a crash on swift_unknownRelease when a value created in objective-c is wrapped in an enum in swift. Moving the objective-c code to swift seems to fix the crash.

To reproduce, build and run the sample project using Xcode 10 on the iPhone X simulator.
@swift-ci
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swift-ci commented Jun 7, 2018

Comment by Mati Bot (JIRA)

Noah, great job reproducing this crash! cc: @gottesmm

@gottesmm
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gottesmm commented Jun 7, 2018

Thanks to both of you![]( Also, nice seeing you online Mat) A small reproducer is exactly what I needed. Let me take a look at this real quick.

@gottesmm
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gottesmm commented Jun 7, 2018

Also thank you for doing it in the simulator. It makes this a lot easier.

@gottesmm
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gottesmm commented Jun 7, 2018

Reproduced the crasher.

@gottesmm
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gottesmm commented Jun 7, 2018

Just attached macosRepro.tar.gz. It is a repro that is outside of Xcode.

@gottesmm
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gottesmm commented Jun 8, 2018

matibot (JIRA User) I think we may have fixed this bug already. It doesn't reproduce with ToT. I am going to see what the difference is in the SIL.

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gottesmm commented Jun 8, 2018

SIL is the same.

@gottesmm
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gottesmm commented Jun 8, 2018

This is:

#16916

So it is fixed. matibot (JIRA User) can you guys try with a snapshot from swift.org:

https://swift.org/download/#snapshots

@gottesmm
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gottesmm commented Jun 8, 2018

Make sure you try the 4.2 one.

@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 run-time crash Bug → crash: Swift code crashed during execution
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@gottesmm @swift-ci @AnthonyLatsis