Various improvements to Sema::ParseMemberReferenceExpr().

- Added source range support to Diag's.
- Used the new type predicate API to remove dealing with the canonical
type explicitly.
- Added Type::isRecordType().
- Removed some casts.
- Removed a const qualifier from RecordType::getDecl(). 




git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@40508 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed