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[SR-1179] Compiler bug: initialising subclass skips to super when using Whole Module optimisation #43787

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swift-ci opened this issue Apr 7, 2016 · 2 comments
Closed

[SR-1179] Compiler bug: initialising subclass skips to super when using Whole Module optimisation #43787

swift-ci opened this issue Apr 7, 2016 · 2 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. cant repro Resolution → bug: Cannot reproduce due to incomplete or inaccessible test case compiler The Swift compiler in itself inheritance Feature → type declarations → class: Subclassing and inheritance of class members unexpected behavior Bug: Unexpected behavior or incorrect output whole module optimization only Flag: An issue whose reproduction requires whole module optimization

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@swift-ci
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swift-ci commented Apr 7, 2016 •
edited by AnthonyLatsis

Previous ID SR-1179
Radar None
Original Reporter timwindsorbrown (JIRA User)
Type Bug
Environment

Whole Module optimisation

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

md5: c2c39cc40e2d6cf403c4fc4ca19d6ecc

relates to:

Issue Description:

When running with Whole Module Optimisation, a subclassed object is initialized as it's parent. I've only seen it happen once, but I created a project to demonstrate it.

https://github.com/TimMumsnet/TestChatApp.git

If you run the project on release configuration, a crash will occur because of the bug.
@rudkx
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rudkx commented Apr 20, 2016

I believe this is fixed in the 7.3.1 beta that was posted.

Tim - can you check to confirm?

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@jayhickey jayhickey mentioned this issue Oct 29, 2022
Closed
@AnthonyLatsis AnthonyLatsis added cant repro Resolution → bug: Cannot reproduce due to incomplete or inaccessible test case whole module optimization only Flag: An issue whose reproduction requires whole module optimization labels Nov 10, 2022
@AnthonyLatsis
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Closing because the issue is very old and the reproduction is no longer accessible.

@AnthonyLatsis AnthonyLatsis closed this as not planned Won't fix, can't repro, duplicate, stale Nov 10, 2022
@AnthonyLatsis AnthonyLatsis added the inheritance Feature → type declarations → class: Subclassing and inheritance of class members label Nov 10, 2022
@AnthonyLatsis AnthonyLatsis added unexpected behavior Bug: Unexpected behavior or incorrect output and removed optimized only Flag: An issue whose reproduction requires optimized compilation labels Jan 19, 2024
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. cant repro Resolution → bug: Cannot reproduce due to incomplete or inaccessible test case compiler The Swift compiler in itself inheritance Feature → type declarations → class: Subclassing and inheritance of class members unexpected behavior Bug: Unexpected behavior or incorrect output whole module optimization only Flag: An issue whose reproduction requires whole module optimization
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@rudkx @swift-ci @AnthonyLatsis