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

[Reid Kleckner via Phabricator via cfe-commits]

rnk requested changes to this revision.
rnk added a comment.
This revision now requires changes to proceed.

Actually, I re-read the concerns about omp.h. We should get that ironed out first.


https://reviews.llvm.org/D29464