Add a couple of helper methods in the SourceManager API, isAtStartOfMacroInstantiation/isAtEndOfMacroInstantiation
useful only for source locations that point at a macro token.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132247 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed