* decl.c (grokdeclarator): Undo 1998-12-14 change.
	* tree.c (build_cplus_array_type_1): Likewise.
	* pt.c (instantiate_class_template): Remove misleading comment.
	(tsubst_aggr_type): Substitute if there are template parameters,
	regardless of whether or not they use template arguments.
	(unify): Likewise, but for unification.

From-SVN: r24656