Apply a bug-fix patch from Marcin Kowalczyk to the source locations for
a couple of operator overloads which form interesting expressions in the
AST.

I added test cases for both bugs with the c-index-test's token
annotation feature. Also, thanks to John McCall for confirming that this
is the correct solution.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128768 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed