diff --git a/unittests/Support/CrashRecoveryTest.cpp b/unittests/Support/CrashRecoveryTest.cpp
index e9ffd1f8871..33d87a1c0e4 100644
--- a/unittests/Support/CrashRecoveryTest.cpp
+++ b/unittests/Support/CrashRecoveryTest.cpp
@@ -17,6 +17,10 @@
 #include <windows.h>
 #endif
 
+extern "C" const char *__asan_default_options() {
+  return "allow_user_segv_handler=1";
+}
+
 using namespace llvm;
 using namespace llvm::sys;