Try to make the source location information for token pastes a bit more consistent.

Fixes a crash printing diagnostics on the gcc testsuite, and also makes
diagnostic range printing print nicer results for token pastes.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169068 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed