Fixed the anonymous testcase.  It was testing
access to 'z' where 'z' was not in scope.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@180662 91177308-0d34-0410-b5e6-96231b3b80d8
Fixed a crash when we tried dyn_cast<>ing a
null pointer.

<rdar://problem/13745684>


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@180663 91177308-0d34-0410-b5e6-96231b3b80d8