[Swiftify] Emit @availability when expansions contain Span (#81320) #81388
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@swift-ci please test |
devincoughlin
approved these changes
May 13, 2025
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This prevents errors when compiling for older targets using a newer compiler.
rdar://150740330
(cherry picked from commit 59d7d31)
This changes the
_SwiftifyImportmacro and ClangImporter so that the generated macro overloads for SafeInteropWrappers are annotated with the appropriate@availabilityattribute when they refer toSpan/MutableSpan. Not doing so would result in errors when targeting older OSs.This only affects code using the experimental
SafeInteropWrappersfeature flag.rdar://150740330
[Swiftify] Emit @availability when expansions contain Span #81320
The risk should be low because it only affects code opting in to the experimental SafeInteropWrappers feature
Manual testing, lit tests
@DougGregor