[PATCH] D26376: Undef stdatomic.h macro definitions that are defining functions provided in libc++ <atomic>

[Marshall Clow via cfe-commits]

mclow.lists added a comment.

More info - The following code:

  #include <stdatomic.h>
  int main () {}

fails to compile on either gcc 6.2 (locally), gcc 7 head (online compiler) or MSVC (online compiler).


https://reviews.llvm.org/D26376