PR c++/561
	* decl.c (static_fn_type): Split out...
	(revert_static_member_fn): ...from here.
	* cp-tree.h: Declare it.
	* class.c (resolve_address_of_overloaded_function): Use it to compare
	pointers to member functions.
	* typeck.c (build_static_cast_1): Call instantiate_type.

From-SVN: r154336