Testcase for r188400.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@188405 91177308-0d34-0410-b5e6-96231b3b80d8
Do no use -emit-llvm for -flto.

Tested on multiple OSes.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@188406 91177308-0d34-0410-b5e6-96231b3b80d8