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