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[SR-15730] Release-only type-checking bug around availability overload #58007

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stephencelis opened this issue Jan 14, 2022 · 0 comments
Open

[SR-15730] Release-only type-checking bug around availability overload #58007

stephencelis opened this issue Jan 14, 2022 · 0 comments
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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@stephencelis
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Previous ID SR-15730
Radar None
Original Reporter @stephencelis
Type Bug
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug
Assignee None
Priority Medium

md5: 3dda8e7c9ca01701edbe32769b928c27

Issue Description:

If you check out this commit of our project:

pointfreeco/swift-parsing@9e93f02

And try to build "swift-parsing-benchmark" (in release mode), the build will fail in a strange way for a call to `Many.init`. If you build in debug mode, everything works fine.

The compiler works again in release mode if we delete a few library initializers for `Many`:

pointfreeco/swift-parsing@79971e9

(Xcode 13.2 / Swift 5.5)
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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@stephencelis