Revert "[libc++] Only include_next C library headers when they exist"
This reverts commit 226409c62879bf5ff9928cd23a4255cd7c614fe0.
Breaks check-clang on mac, see comments on https://reviews.llvm.org/D136683
NOKEYCHECK=True
GitOrigin-RevId: 674729813e3be02af7bda02cfe577398763f58b9
diff --git a/include/float.h b/include/float.h
index 9e5f711..6060812 100644
--- a/include/float.h
+++ b/include/float.h
@@ -76,9 +76,7 @@
# pragma GCC system_header
#endif
-#if __has_include_next(<float.h>)
-# include_next <float.h>
-#endif
+#include_next <float.h>
#ifdef __cplusplus