PR c++/24389
	* decl2.c (mark_used): Use uses_template_parms instead of
	dependent_type_p.
	* init.c (constant_value_1): Handle uninstantiated templates
	specially.
	* pt.c (instantiate_decl): Add sanity check.
	PR c++/24389
	* g++.dg/template/static21.C: New test.
	* g++.dg/template/static21-a.cc: Likewise.

From-SVN: r105474