[PATCH] D29464: [MinGWToolChain] Don't use GCC headers on Win32

[Mateusz Mikuła via Phabricator via cfe-commits]

mati865 added a comment.

I don't know about Linux but on Windows this code was causing issue:

  #include <limits.h>
  int main() { char buf[PATH_MAX]; }

Include order:

- Before patch: Clang limits.h (lib\\clang\\3.9.1\\include) -> GCC limits.h 
(lib\\gcc\\x86_64-w64-mingw32\\6.3.0\\include-fixed) here whole header is 
skipped due to the guards -> Clang limits.h



- After patch: Clang limits.h (lib\\clang\\3.9.1\\include) -> mingw-w64 
limits.h -> Clang limits.h

Before patch mingw-w64 limits.h weren't included so it was big problem.


https://reviews.llvm.org/D29464



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