Tame a -Wunknown-attributes warning

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@257707 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-13 23:27:08 +00:00
parent 7d9888365a
commit 90a7bf9194
1 changed files with 1 additions and 1 deletions
--- a/include/__config
+++ b/include/__config
@@ -434,7 +434,7 @@ namespace std {
 #endif

 // Allow for build-time disabling of unsigned integer sanitization
-#ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
+#if !defined(_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK) && __has_attribute(no_sanitize)
 #define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute((no_sanitize("unsigned-integer-overflow")))
 #endif