Check in a rudimentary FullExpr class that isn't used anywhere yet. Rename Action::FullExpr to Action::MakeFullExpr to avoid name clashes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91494 91177308-0d34-0410-b5e6-96231b3b80d8
11 files changed