[PATCH] D52811: [COFF, ARM64] Add _InterlockedAdd intrinsic

[Martin Storsjö via Phabricator via cfe-commits]

mstorsjo added a comment.

In https://reviews.llvm.org/D52811#1254162, @efriedma wrote:

> > How come this hasn't been an issue for those targets up until now?
>
> MSVC doesn't define _InterlockedAdd for x64.


Ok - but judging from the context here, this would make clang define it there - which probably isn't desired?


Repository:
  rC Clang

https://reviews.llvm.org/D52811