Merge commit '838ebf88f604' from swift/release/5.3 into swift/master

apple · Jul 24, 2020 · f8bd914 · f8bd914
2 parents e7185db + 838ebf8
commit f8bd914
Showing 1 changed file with 0 additions and 4 deletions.
diff --git a/libcxx/include/math.h b/libcxx/include/math.h
@@ -510,11 +510,7 @@ _LIBCPP_INLINE_VISIBILITY
 bool
 __libcpp_isnan(_A1 __lcpp_x) _NOEXCEPT
 {
-#if __has_builtin(__builtin_isnan)
-    return __builtin_isnan(__lcpp_x);
-#else
     return isnan(__lcpp_x);
-#endif
 }
 
 #undef isnan