1 files changed, 14 insertions, 0 deletions
diff --git a/lib/asan/tests/asan_test_main.cc b/lib/asan/tests/asan_test_main.cc
index 1746c5f4837b..cdaf801d914b 100644
--- a/lib/asan/tests/asan_test_main.cc
+++ b/lib/asan/tests/asan_test_main.cc
@@ -11,6 +11,20 @@
 //
 //===----------------------------------------------------------------------===//
 #include "asan_test_utils.h"
+#include "sanitizer_common/sanitizer_platform.h"
+
+// Default ASAN_OPTIONS for the unit tests. Let's turn symbolication off to
+// speed up testing (unit tests don't use it anyway).
+extern "C" const char* __asan_default_options() {
+#if SANITIZER_MAC
+  // On Darwin, we default to `abort_on_error=1`, which would make tests run
+  // much slower. Let's override this and run lit tests with 'abort_on_error=0'.
+  // Also, make sure we do not overwhelm the syslog while testing.
+  return "symbolize=false:abort_on_error=0:log_to_syslog=0";
+#else
+  return "symbolize=false";
+#endif
+}
 
 int main(int argc, char **argv) {
   testing::GTEST_FLAG(death_test_style) = "threadsafe";