================
@@ -2697,6 +2698,70 @@ static void handleAvailabilityAttr(Sema &S, Decl *D,
const ParsedAttr &AL) {
}
}
+ // Handle anyAppleOS specially: create implicit platform-specific attributes
----------------
tshortli wrote:
So I thought of a reason why the original attribute written in source should
not be discarded - when Swift imports clang decls, we'd ideally like to be able
to know whether it was written in source as `anyAppleOS` because in Swift, at
least, this will change diagnostics. For example, we plan to make the fix-its
generated for uses of potentially unavailable declarations suggest availability
annotations that match the attributes on the declaration (e.g. the fix-it might
suggest adding `if #available(anyAppleOS 26, *) {` instead of adding `if
#available(macOS 26, *)`
https://github.com/llvm/llvm-project/pull/181953
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