Enhance getImplicitObjectArgument to look through ->*.

This only applies in the case where ->* is not overloaded, since it
specifically looks for BinaryOperator and not CXXOperatorCallExpr.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161275 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed