relax testcase and make ppc64 buildbots happy.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@201250 91177308-0d34-0410-b5e6-96231b3b80d8
Attributes: Avoid a big useless copy in the emitter

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@201251 91177308-0d34-0410-b5e6-96231b3b80d8