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[SR-6879] runtime crash on latest swift 4.1 (possibly conditional conformance related) #49428

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swift-ci opened this issue Jan 31, 2018 · 5 comments
Closed

[SR-6879] runtime crash on latest swift 4.1 (possibly conditional conformance related) #49428

swift-ci opened this issue Jan 31, 2018 · 5 comments
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@aschwaighofer
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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 run-time crash Bug → crash: Swift code crashed during execution swift 4.1

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@swift-ci
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Previous ID SR-6879
Radar rdar://problem/37086144
Original Reporter tannernelson (JIRA User)
Type Bug
Status Resolved
Resolution Done

Attachment: Download

Environment

Swift Version: 4.1-DEVELOPMENT-SNAPSHOT-2018-01-30-a

Xcode Version: 9.2 (happens on 9.3 as well)

macOS Version: 10.12 (happens on 10.13 as well)

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, 4.1Regression, RunTimeCrash
Assignee @aschwaighofer
Priority Medium

md5: e0ea698ae3734cb92db8f5943d4435bd

Issue Description:

Runtime crash: Thread 1: EXC_BAD_ACCESS (code=EXC_I386_GPFLT)

Running `swift test` on the code in this branch vapor/fluent#367 crashes on Swift 4.1.

We're also seeing a bad access crash on some other repos using 4.1. I can report those as separate issues if that would help.
@swift-ci
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Comment by tanner0101 (JIRA)

You can see the test failing on `swift-4.1-branch` on Ubuntu 16.04 as well:

https://circleci.com/gh/vapor/fluent/659?utm_campaign=vcs-integration-link&utm_medium=referral&utm_source=github-build-link

#!/bin/bash -eo pipefail
swift test
Compile Swift Module 'SQLiteTests' (2 sources)
Compile Swift Module 'FluentTests' (1 sources)
Compile Swift Module 'FluentPackageTests' (1 sources)
Linking ./.build/x86_64-unknown-linux/debug/FluentPackageTests.xctest
Test Suite 'All tests' started at 2018-01-31 17:41:54.631
Test Suite 'debug.xctest' started at 2018-01-31 17:41:54.631
Test Suite 'SQLiteBenchmarkTests' started at 2018-01-31 17:41:54.632
Test Case 'SQLiteBenchmarkTests.testSchema' started at 2018-01-31 17:41:54.632
Test Case 'SQLiteBenchmarkTests.testSchema' passed (0.007 seconds)
Test Case 'SQLiteBenchmarkTests.testModels' started at 2018-01-31 17:41:54.639
Test Case 'SQLiteBenchmarkTests.testModels' passed (0.013 seconds)
Test Case 'SQLiteBenchmarkTests.testRelations' started at 2018-01-31 17:41:54.652
Test Case 'SQLiteBenchmarkTests.testRelations' passed (0.03 seconds)
Test Case 'SQLiteBenchmarkTests.testTimestampable' started at 2018-01-31 17:41:54.682
Test Case 'SQLiteBenchmarkTests.testTimestampable' passed (0.008 seconds)
Test Case 'SQLiteBenchmarkTests.testTransactions' started at 2018-01-31 17:41:54.690
Test Case 'SQLiteBenchmarkTests.testTransactions' passed (0.027 seconds)
Test Case 'SQLiteBenchmarkTests.testChunking' started at 2018-01-31 17:41:54.717
Test Case 'SQLiteBenchmarkTests.testChunking' passed (0.973 seconds)
Test Case 'SQLiteBenchmarkTests.testAutoincrement' started at 2018-01-31 17:41:55.690
Test Case 'SQLiteBenchmarkTests.testAutoincrement' passed (0.006 seconds)
Test Case 'SQLiteBenchmarkTests.testCache' started at 2018-01-31 17:41:55.696
Exited with signal code 11
Exited with code 1

@swift-ci
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Comment by tanner0101 (JIRA)

Looks like simply moving the `Self.` calls out of the closure fixes the issue.

@swift-ci
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Comment by tanner0101 (JIRA)

This commit fixed the crash: vapor/fluent@0f50f01

@DougGregor
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@swift-ci create

@aschwaighofer
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Fixed by: #14411

@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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@aschwaighofer aschwaighofer

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 run-time crash Bug → crash: Swift code crashed during execution swift 4.1
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@DougGregor @aschwaighofer @swift-ci @AnthonyLatsis