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

[via llvm-commits]

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@@ -13,7 +13,7 @@
 #include "test/UnitTest/FPExceptMatcher.h"
 #include "test/UnitTest/Test.h"
 
-#include <fenv.h>
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lntue wrote:

This test uses `fenv_t`, so it still needs #include <fenv.h>. We will replace it in the next step when we add proxy header for `fenv_t`.

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