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Introduce a suppressible feature for availability on associated types

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This allows us to emit Swift interfaces that can be handled by older
Swift compilers.
This commit is contained in:
Doug Gregor
2024-02-29 10:09:08 -08:00
parent 0652bb7abe
commit d1ac903be4
4 changed files with 33 additions and 3 deletions
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include/swift/Basic/Features.def
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@@ -109,6 +109,7 @@ SUPPRESSIBLE_LANGUAGE_FEATURE(UnsafeInheritExecutor, 0, "@_unsafeInheritExecutor
SUPPRESSIBLE_LANGUAGE_FEATURE(PrimaryAssociatedTypes2, 346, "Primary associated types")
SUPPRESSIBLE_LANGUAGE_FEATURE(UnavailableFromAsync, 0, "@_unavailableFromAsync")
SUPPRESSIBLE_LANGUAGE_FEATURE(NoAsyncAvailability, 340, "@available(*, noasync)")
SUPPRESSIBLE_LANGUAGE_FEATURE(AssociatedTypeAvailability, 0, "Availability on associated types")
LANGUAGE_FEATURE(BuiltinIntLiteralAccessors, 368, "Builtin.IntLiteral accessors")
LANGUAGE_FEATURE(Macros, 0, "Macros")
LANGUAGE_FEATURE(FreestandingExpressionMacros, 382, "Expression macros")