Fixup to the relaxed diagnostic verification option r146633.

We should exit when matching the '+' even if nothing was found to
prevent searching for all UNIT_MAX items.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146747 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed