[libc] [llvm] [libc] Add proxy header for fenv.h macro constants. #87863 (PR #87896)

[via llvm-commits]

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@@ -12,7 +12,7 @@
 #include "src/__support/FPUtil/FPBits.h"
 #include "src/__support/macros/attributes.h" // For LIBC_INLINE
 
-#include <fenv.h>
+#include "hdr/fenv_macros.h"
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lntue wrote:

Move this up to the other include group.

https://github.com/llvm/llvm-project/pull/87896