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[SR-6856] Segmentation fault: 11 #49405

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mdiep opened this issue Jan 27, 2018 · 4 comments
Closed

[SR-6856] Segmentation fault: 11 #49405

mdiep opened this issue Jan 27, 2018 · 4 comments
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

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@mdiep
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mdiep commented Jan 27, 2018

Previous ID SR-6856
Radar rdar://problem/36989790
Original Reporter @mdiep
Type Bug
Status Closed
Resolution Done
Environment

Xcode 9.2.0
Apple Swift version 4.0.3 (swiftlang-900.0.74.1 clang-900.0.39.2)
Target: x86_64-apple-macosx10.9

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

md5: deceebf0c19347aeeb7478ee58a1ceef

Issue Description:

I'm getting a segfault when building this commit: PersistX/PersistDB@73c81ab

I'm able to reproduce 100% by checking out that commit and running ./script/cibuild PersistDB.xcworkspace "PersistDB (iOS)" "build-for-testing"

I was able to work around the issue here: PersistX/PersistDB@acda696

I'm unable to test with Swift 4.1 due to https://bugs.swift.org/browse/SR-6796.
@belkadan
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@swift-ci create

@bob-wilson
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I spent some time trying to reproduce this, but didn't get very far. I don't often use Carthage but eventually figured out that I needed to run "carthage update" before ./script/cibuild. Then it failed because I didn't have "swiftformat" installed.

Even if I manage to reproduce the crash, it sounds like I'm not going to be able to check if it is already fixed in 4.1 because of SR-6796.

Can you provide a reduced testcase that shows this crash with 4.1 or master? Otherwise, I think it is not worth investigating this more right now.

@mdiep
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mdiep commented Feb 1, 2018

I managed to reduce this to a smaller example and it's fixed in 4.1.

@bob-wilson
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Great! Thanks

@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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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
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@mdiep @belkadan @bob-wilson @AnthonyLatsis