SILGen: Bitcast indirect returns that differ only in concurrency annotations. #82901
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…tations. A call to a `@preconcurrency` function goes through a function conversion that removes `Sendable` from existentials among other things. Implement support for this by bitcasting indirect return slots whose type differs from the formal indirect return type in concurrency markings only. Fixes rdar://154240007
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@swift-ci Please test |
xedin
approved these changes
Jul 9, 2025
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A call to a
@preconcurrencyfunction goes through a function conversion that removesSendablefrom existentials among other things. Implement support for this by bitcasting indirect return slots whose type differs from the formal indirect return type in concurrency markings only.Fixes rdar://154240007