cp-tree.h (most_specialized_instantiation): New function.

cp-tree.h (most_specialized_instantiation): New function.

	* cp-tree.h (most_specialized_instantiation): New function.
	(print_candidates): Likewise.
	* class.c (validate_lhs): Remove.
	(resolve_address_of_overloaded_function): New function, split out
	and then substantially reworked, from ...
	(instantiate_type): Use it.  Simplify.
	* cvt.c (convert_to_reference): Complain when caller has indicated
	that's the right thing to do.  Don't crash if instantiate_type
	fails.
	* pt.c: Substitute `parameters' for `paramters' throughout.
	(print_candidates): Don't make it static.
	(most_specialized_instantiation): Split out from ...
	(most_specialized): Here.

From-SVN: r24225