76aa2ef017
This change removes the spurious m.unlock() call. If this test was previously passing for anyone with assertions enabled, then they should investigate bugs in their pthread implementation, as pthread_unlock() should not return 0 if the mutex is currently unlocked. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@175506 91177308-0d34-0410-b5e6-96231b3b80d8