Store the builtin types as CanQualTypes.  Expand a bit on the CanQual API,
but also remove some methods that cause ambiguities, and generally
make CanQual<blah> more analogous to QualType.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84976 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed