pt.c (tsubst, [...]): Support member class templates.

pt.c (tsubst, [...]): Support member class templates.

	* pt.c (tsubst, TEMPLATE_DECL): Support member class templates.
	(tsubst, *_PARM): Support multiple levels of template classes.
	(instantiate_class_template): Look up the pattern from the
	original template.
	(lookup_template_class): Handle getting a template for d1.
	(push_template_decl): Correct setting of 'primary'.
	(reduce_template_parm_level): Add 'levels' parm.
	(finish_member_template_decl): Support member class templates.
	(template_class_depth): Handle multiple levels.
	* parse.y (component_decl_1, fn.def2): Remove member template case.
	(component_decl): Add member template cases.
	* decl2.c (check_member_template): We now handle member template
	classes.
	* decl.c (pushtag): Handle member templates.
	* method.c (do_inline_function_hair): Don't touch
	IDENTIFIER_GLOBAL_VALUE.
	* init.c (build_offset_ref): If name isn't an identifier, just
	return it.
	* spew.c (yylex): Handle PTYPENAME like TYPENAME.
	* typeck.c (get_delta_difference): Do adjust for conversions to
	and from virtual base.

From-SVN: r18280