1 files changed, 22 insertions, 0 deletions
diff --git a/lib/tsan/lit_tests/longjmp.cc b/lib/tsan/lit_tests/longjmp.cc
new file mode 100644
index 0000000000000..d9ca4ca5e6e9d
--- /dev/null
+++ b/lib/tsan/lit_tests/longjmp.cc
@@ -0,0 +1,22 @@
+// RUN: %clang_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
+#include <stdio.h>
+#include <stdlib.h>
+#include <setjmp.h>
+
+int foo(jmp_buf env) {
+  longjmp(env, 42);
+}
+
+int main() {
+  jmp_buf env;
+  if (setjmp(env) == 42) {
+    printf("JUMPED\n");
+    return 0;
+  }
+  foo(env);
+  printf("FAILED\n");
+  return 0;
+}
+
+// CHECK-NOT: FAILED
+// CHECK: JUMPED