Disable mutex error checking so it doesn't create problems with the multi-threaded test case. The error would cause an assertion that could cause lldb to crash when unlocking a mutex returned an error because it was in use.
Disable mutex error checking so it doesn't create problems with the multi-threaded test case. The error would cause an assertion that could cause lldb to crash when unlocking a mutex returned an error because it was in use.



git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@243067 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb