Merge 81238 from mainline.
convert this to filecheck, hopefully it will fix PR4888.  If nothing
else it will make tests run faster and make 4888 easier to diagnose.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_26@81286 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed