Rename ObjCImplementationDecl::getSuperLoc() -> getSuperClassLoc() for consistency with ObjCInterfaceDecl::getSuperClassLoc()

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181064 91177308-0d34-0410-b5e6-96231b3b80d8
[Preprocessor] For the MacroExpands preprocessor callback, also pass the MacroArgs object that provides information about
the argument tokens for a function macro.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181065 91177308-0d34-0410-b5e6-96231b3b80d8