Switch the token-paste source locations inside of function style macro
argument expansion to use the macro argument source locations as well.
Add a few tests to exercise this. There is still a bit more work needed
here though.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134674 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed