1 files changed, 11 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index 40dd037da7..e2321c3394 100644
--- a/gc.c
+++ b/gc.c
@@ -31,6 +31,16 @@
 #include <sys/types.h>
 #include <assert.h>
 
+#if /* is ASAN enabled? */ defined(__has_feature) ? \
+    __has_feature(address_sanitizer) /* Clang */ : \
+    defined(__SANITIZE_ADDRESS__)  /* GCC 4.8.x */
+  #define ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS \
+        __attribute__((no_address_safety_analysis)) \
+        __attribute__((noinline))
+#else
+  #define ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS
+#endif
+
 #ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
@@ -2685,6 +2695,7 @@ ruby_stack_check(void)
 #endif
 }
 
+ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS
 static void
 mark_locations_array(rb_objspace_t *objspace, register VALUE *x, register long n)
 {