diff --git a/compiler-rt/test/asan/TestCases/Posix/bcmp_test.cc b/compiler-rt/test/asan/TestCases/Posix/bcmp_test.cc
index cd96604779c40..e4e9739d7c93b 100644
--- a/compiler-rt/test/asan/TestCases/Posix/bcmp_test.cc
+++ b/compiler-rt/test/asan/TestCases/Posix/bcmp_test.cc
@@ -5,6 +5,7 @@
 
 // REQUIRES: compiler-rt-optimized
 // UNSUPPORTED: android
+// XFAIL: darwin
 
 #include <string.h>
 int main(int argc, char **argv) {