Summary:
Sometimes expression inside switch statement can be invalid, for
example type might be incomplete. In those cases code were causing a null
pointer dereference. This patch fixes that.
Reviewers: sammccall, ioeric, hokein
Reviewed By: sammccall
Subscribers: arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D53561
llvm-svn: 345029