Implement pointer to member handling in static_cast.
Fix a stupid mistake in UnwrapSimilarPointers that made any two member pointers compatible as long as the pointee was the same.
Make a few style corrections as suggested by Chris.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63215 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed