1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2 extern "C" void AnnotateRWLockReleased(const char *f, int l, void *m, long rw);
3 
main()4 int main() {
5   int m = 0;
6   AnnotateRWLockReleased(__FILE__, __LINE__, &m, 1);
7   return 0;
8 }
9 
10 // CHECK: WARNING: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
11 // CHECK:     #0 AnnotateRWLockReleased
12 // CHECK:     #1 main
13 // CHECK: Location is stack of main thread.
14 // CHECK:   Mutex {{.*}} created at:
15 // CHECK:     #0 AnnotateRWLockReleased
16 // CHECK:     #1 main
17 // CHECK: SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
18 
19