2521   ReleasableMutexLock rlock(&mu_);  in test1()  local
2522   rlock.Release();  in test1()
2526   ReleasableMutexLock rlock(&mu_);  in test2()  local
2528     rlock.Release();  in test2()
2533   ReleasableMutexLock rlock(&mu_);  in test3()  local
2535   rlock.Release();  in test3()
2540   ReleasableMutexLock rlock(&mu_);  in test4()  local
2541   rlock.Release();  in test4()
2542   rlock.Release();  // expected-warning {{releasing mutex 'mu_' that was not held}}  in test4()
2546   ReleasableMutexLock rlock(&mu_);  in test5()  local
2548     rlock.Release();  in test5()
2551   rlock.Release();  // expected-warning {{releasing mutex 'mu_' that was not held}}  in test5()