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	uses template parameters.
	* method.c (build_template_parm_names): Use the full set of
	template arguments for tsubst'ing.
	(build_overload_identifier): Pass the full set of template
	arguments to build_template_parm_names, not just the
	innermost_args.
	* pt.c (TMPL_ARGS_DEPTH): Define using
	TMPL_ARGS_HAVE_MULTIPLE_LEVELS, for clarity.
	(NUM_TMPL_ARGS): New macro.
	(add_outermost_template_args): Deal with the case where the outer
	args will be completely discarded.
	(coerce_template_parms): Use the full set of template arguments
	for tsubst'ing.  Simplify.  Add some asserts.  Improve
	error messages.
	(lookup_template_class): Pass the full set of template arguments
	to coerce_template_parms.
	(tsubst): Add assertion.
	(do_type_instantiation): Don't instantiate member template
	classes.
	* init.c (build_offset_ref): Deal with a TEMPLATE_ID_EXPR whose
	name is a LOOKUP_EXPR, rather than an IDENTIFIER_NODE.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@21609 138bc75d-0d04-0410-961f-82ee72b054a4