[5.8] Sema: Relax availability checking for @MainActor
#64538
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The `@MainActor` global actor constraint on a declaration does not carry an inherent ABI impact and therefore use of this constraint should not be limited to OS versions where Swift concurrency is available. Resolves rdar://105610970
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@swift-ci please test |
tshortli
changed the title
@MainActor@MainActor
This was referenced Mar 22, 2023
tshortli
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swift 5.8
🍒 release cherry pick
5 tasks
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Hi |
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Cherry pick of #64412.
The
@MainActorglobal actor constraint on a declaration does not carry an inherent ABI impact and therefore use of this constraint should not be limited to OS versions where Swift concurrency is available.Resolves rdar://105610970