Added parsing for guarded_var, pt_guarded_var, lockable,
scoped_lockable, and no_thread_safety_analysis attributes, all for thread safety analysis

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136364 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed