Don't go to the trouble of trying to figure out the implementation function for selectors sent 
to nil objects, it won't work anyway.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@184474 91177308-0d34-0410-b5e6-96231b3b80d8
Print the general purpose registers for frame 0.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@184483 91177308-0d34-0410-b5e6-96231b3b80d8