From edb6d884a593bb80c66825c8a476e47ded2d617a Mon Sep 17 00:00:00 2001
From: "W. Felix Handte" <w@felixhandte.com>
Date: Thu, 12 Sep 2019 18:32:22 -0400
Subject: [PATCH] Detect Whether We're Being Compiled with ASAN

---
 lib/common/mem.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/common/mem.h b/lib/common/mem.h
index acc7231e9..983b55edc 100644
--- a/lib/common/mem.h
+++ b/lib/common/mem.h
@@ -74,6 +74,19 @@ void __msan_poison(const volatile void *a, size_t size);
 intptr_t __msan_test_shadow(const volatile void *x, size_t size);
 #endif
 
+/* detects whether we are being compiled under asan */
+#if defined (__has_feature)
+#  if __has_feature(address_sanitizer)
+#    define ADDRESS_SANITIZER 1
+#  endif
+#elif defined(__SANITIZE_ADDRESS__)
+#  define ADDRESS_SANITIZER 1
+#endif
+
+#if defined (ADDRESS_SANITIZER)
+#  include <sanitizer/asan_interface.h>
+#endif
+
 
 /*-**************************************************************
 *  Basic Types
-- 
2.47.3