Allow taking the address of data members, resulting in a member pointer.
Pointers to functions don't work yet, and pointers to overloaded functions even less. Also, far too much illegal code is accepted.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63655 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed