tree b3d342b75ef28ee978ee98a29c3a4dff4f6c9111
parent 173be8646da847c7f1e02c19441119e176a34862
author Bruno Cardoso Lopes <bruno.cardoso@gmail.com> 1489706340 +0000
committer Bruno Cardoso Lopes <bruno.cardoso@gmail.com> 1489768077 -0700

[Headers] Reapply: Add #include_next for tgmath.h on Darwin

Reapply r289181 but rename the include guard to avoid
conflict with the one from Darwin.

Allow darwin to provide additional definitions and implementation
specifc values for tgmath.h on Apple platforms.

rdar://problem/19019845

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@298013 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 4d6eb59efd5dfda74bf2ddd78da9497055bb339f)