[msan] Test for atomic handling in MSan.

llvm-svn: 191288
2013-09-24 11:21:16 +00:00 · 2013-09-24 11:21:16 +00:00 · 46901f613b
parent 5522a70674
commit 46901f613b
1 changed files with 7 additions and 0 deletions
--- a/compiler-rt/lib/msan/lit_tests/sync_lock_set_and_test.cc
+++ b/compiler-rt/lib/msan/lit_tests/sync_lock_set_and_test.cc
@ -0,0 +1,7 @@
+// RUN: %clangxx_msan -m64 -O0 %s -o %t && %t
+
+int main(void) {
+  int i;
+  __sync_lock_test_and_set(&i, 0);
+  return i;
+}