[asan] guard ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS definition with an #ifndef

llvm-svn: 176175

diff --git a/compiler-rt/lib/sanitizer_common/tests/sanitizer_test_utils.h b/compiler-rt/lib/sanitizer_common/tests/sanitizer_test_utils.h
index 4f8bed9..a770d0f 100644 (file)
--- a/compiler-rt/lib/sanitizer_common/tests/sanitizer_test_utils.h
+++ b/compiler-rt/lib/sanitizer_common/tests/sanitizer_test_utils.h
@@ -36,12 +36,14 @@ typedef __int64          int64_t;
 #define __has_feature(x) 0
 #endif
 
-#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
-# define ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS \
+#ifndef ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS
+# if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
+#  define ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS \
     __attribute__((no_sanitize_address))
-#else
-# define ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS
-#endif
+# else
+#  define ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS
+# endif
+#endif  // ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS
 
 #if __LP64__ || defined(_WIN64)
 #  define SANITIZER_WORDSIZE 64