commit 90a7bf91943e521cb6e56b50a9ec557ce8e089e7
author Jonathan Roelofs <jonathan@codesourcery.com> Wed Jan 13 23:27:08 2016 +0000
committer Jonathan Roelofs <jonathan@codesourcery.com> Wed Jan 13 23:27:08 2016 +0000
tree 01db2139414408b9a08ce42e5cda1889bacbe202
parent 7d9888365a7bc66b0aca783c638fcb2a23f6b965

Tame a -Wunknown-attributes warning

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@257707 91177308-0d34-0410-b5e6-96231b3b80d8

include/__config

diff --git a/include/__config b/include/__config
index edda3c5..6da6806 100644
--- a/include/__config
+++ b/include/__config
@@ -434,7 +434,7 @@
 #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