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[SR-10230] Test crash only when release build #52630
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
optimized only
Flag: An issue whose reproduction requires optimized compilation
run-time crash
Bug → crash: Swift code crashed during execution
Comments
aschwaighofer@apple.com (JIRA User), is it possible this is the same as the enum thing you just fixed? |
No I don't think so because I don't see any single payload enum where the payload has no extra inhabitants and with at least two non payload cases involved. But the test succeeds on a recent trunk build: $ git clone https://github.com/t-ae/memory-crash-test.git
Cloning into 'memory-crash-test'...
remote: Enumerating objects: 19, done.
remote: Counting objects: 100% (19/19), done.
remote: Compressing objects: 100% (13/13), done.
remote: Total 19 (delta 4), reused 19 (delta 4), pack-reused 0
Unpacking objects: 100% (19/19), done.
$ cd memory-crash-test/
$ /Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2019-03-25-a.xctoolchain/usr/bin/swift test -c release
[2/2] Linking ./.build/x86_64-apple-macosx/release/memory-crash-testPackageTests.xctest/Contents/MacOS/memory-crash-testPackageTests
Test Suite 'All tests' started at 2019-03-29 09:08:59.929
Test Suite 'memory-crash-testPackageTests.xctest' started at 2019-03-29 09:08:59.930
Test Suite 'memory_crash_testTests' started at 2019-03-29 09:08:59.930
Test Case '-[memory_crash_testTests.memory_crash_testTests testExample]' started.
broadcast: start
broadcast: end
will exit testExample
end testExample
Test Case '-[memory_crash_testTests.memory_crash_testTests testExample]' passed (0.083 seconds).
Test Suite 'memory_crash_testTests' passed at 2019-03-29 09:09:00.013.
Executed 1 test, with 0 failures (0 unexpected) in 0.083 (0.083) seconds
Test Suite 'memory-crash-testPackageTests.xctest' passed at 2019-03-29 09:09:00.014.
Executed 1 test, with 0 failures (0 unexpected) in 0.083 (0.084) seconds
Test Suite 'All tests' passed at 2019-03-29 09:09:00.014.
Executed 1 test, with 0 failures (0 unexpected) in 0.083 (0.084) seconds |
Also succeeded with a recent swift-5.1-branch build. $ /Library/Developer/Toolchains/swift-5.1-DEVELOPMENT-SNAPSHOT-2019-03-29.xctoolchain/usr/bin/swift test -c release
[3/3] Linking memory-crash-testPackageTests Test Suite 'All tests' started at 2019-03-29 09:22:48.179
Test Suite 'memory-crash-testPackageTests.xctest' started at 2019-03-29 09:22:48.179 Test Suite 'memory_crash_testTests' started at 2019-03-29 09:22:48.179 Test Case '-[memory_crash_testTests.memory_crash_testTests testExample]' started. broadcast: start
broadcast: end will exit testExample
end testExample Test Case '-[memory_crash_testTests.memory_crash_testTests testExample]' passed (0.057 seconds). Test Suite 'memory_crash_testTests' passed at 2019-03-29 09:22:48.236.
Executed 1 test, with 0 failures (0 unexpected) in 0.057 (0.057) seconds
Test Suite 'memory-crash-testPackageTests.xctest' passed at 2019-03-29 09:22:48.236.
Executed 1 test, with 0 failures (0 unexpected) in 0.057 (0.057) seconds
Test Suite 'All tests' passed at 2019-03-29 09:22:48.236.
Executed 1 test, with 0 failures (0 unexpected) in 0.057 (0.057) seconds |
AnthonyLatsis
added
the
crash
Bug: A crash, i.e., an abnormal termination of software
label
Dec 12, 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
crash
Bug: A crash, i.e., an abnormal termination of software
optimized only
Flag: An issue whose reproduction requires optimized compilation
run-time crash
Bug → crash: Swift code crashed during execution
Environment
macOS 10.14.4
Apple Swift version 5.0 (swiftlang-1001.0.69.5 clang-1001.0.46.3)
Apple Swift Package Manager - Swift 5.0.0 (swiftpm-14490.60.2)
Additional Detail from JIRA
md5: 845ace8db0c7d9fa8e2d39f10d260e2e
Issue Description:
Reproduction
https://github.com/t-ae/memory-crash-test
Clone and run `swift test -c release`, then crash.
If it's `swift test`, it works well.
Crash happens before `defer` block.
https://github.com/t-ae/memory-crash-test/blob/dd94ef4f76d546033cb41e2e84fad9484362f375/Tests/memory-crash-testTests/memory_crash_testTests.swift#L6
And if this meaningless line is commented in, crash doesn't happen.
https://github.com/t-ae/memory-crash-test/blob/dd94ef4f76d546033cb41e2e84fad9484362f375/Sources/memory-crash-test/Broadcast.swift#L22
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