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	for templates, regardless of whether or not the new one has
	DECL_INITIAL.  Don't throw away specializations.  Merge
	DECL_SAVED_TREE.
	* pt.c (tsubst_decl): Use the right pattern when calculating the
	complete args for a new template instance.
	(do_decl_instantiation): Fix typo in comment.
	(regenerate_decl_from_template): Deal with tricky friend template
	case.
	(instantiate_decl): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@21876 138bc75d-0d04-0410-961f-82ee72b054a4