1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tsan/default_options.C b/gcc/testsuite/g++.dg/tsan/default_options.C
new file mode 100644
index 0000000000..13e1984aba
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tsan/default_options.C
@@ -0,0 +1,31 @@
+#include <pthread.h>
+#include <stdio.h>
+
+extern "C" const char *__tsan_default_options() {
+  return "report_bugs=0";
+}
+
+int Global;
+
+void *Thread1(void *x) {
+  Global = 42;
+  return NULL;
+}
+
+void *Thread2(void *x) {
+  Global = 43;
+  return NULL;
+}
+
+int main() {
+  pthread_t t[2];
+  pthread_create(&t[0], NULL, Thread1, NULL);
+  pthread_create(&t[1], NULL, Thread2, NULL);
+  pthread_join(t[0], NULL);
+  pthread_join(t[1], NULL);
+  fprintf(stderr, "DONE\n");
+  return 0;
+}
+
+/* { dg-prune-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */
+/* { dg-output "DONE" } */