[PATCH] D157793: [Headers] Add missing __need_ macros to stdarg.h

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added a comment.

> Apple needs a __need_ macro for va_list. Add one, and also ones for va_start/va_arg/va_end, __va_copy, va_copy.

Do you have a link to the specification or the source that this is needed?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D157793/new/

https://reviews.llvm.org/D157793