Index: lib/asan/tests/asan_test_main.cc
===================================================================
--- lib/asan/tests/asan_test_main.cc
+++ lib/asan/tests/asan_test_main.cc
@@ -28,7 +28,11 @@
 
 namespace __sanitizer {
 bool ReexecDisabled() {
+#if __has_feature(address_sanitizer)
+  return false;  // Allow re-exec in instrumented unit tests.
+#else
   return true;
+#endif
 }
 }