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// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
extern "C" void AnnotateRWLockAcquired(const char *f, int l, void *m, long rw);
int main() {
int m = 0;
AnnotateRWLockAcquired(__FILE__, __LINE__, &m, 1);
AnnotateRWLockAcquired(__FILE__, __LINE__, &m, 0);
return 0;
}
// CHECK: WARNING: ThreadSanitizer: read lock of a write locked mutex
// CHECK: #0 AnnotateRWLockAcquired
// CHECK: #1 main
// CHECK: Location is stack of main thread.
// CHECK: Mutex {{.*}}) created at:
// CHECK: #0 AnnotateRWLockAcquired
// CHECK: #1 main
// CHECK: SUMMARY: ThreadSanitizer: read lock of a write locked mutex
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