interpreter from working. The communication read thread could
startup and immediately exit if m_read_thread_enabled was
checked in the thread function before it was set by the
thread that spawns the read thread. Now m_read_thread_enabled is set
to true prior to spawning the read thread to avoid this issue.

Hopefully this will clear up the sporatic failures in our test suite.

llvm-svn: 113947

a segfault when calling pthread_cancel.  Also, sets m_read_thread_enabled if
the thread is actually spawned.

Patch from Stephen Wilson.

llvm-svn: 109227

part of C++'98. Most of these were "std::vector<T>::data()" and 
"std::string::data()".

llvm-svn: 108957

llvm-svn: 108029

llvm-svn: 105712

llvm-svn: 105619