PR c++/24139
	* decl.c (grokdeclarator): Do not require template parameter lists
	for explicitly specialized class.
	* error.c (dump_aggr_type): Do not dump template arguments for
	non-primary specializations.
	(dump_function_name): Likewise.
	PR c++/24139
	* g++.dg/template/spec27.C: New test.

From-SVN: r105172