PR c++/11697
	* decl.c (decls_match): Don't ignore the types of template
	classes.

	PR c++/11744
	* pt.c (tsubst_copy_and_build): Refine Koenig lookup logic.

	PR c++/11697
	* g++.dg/template/using6.C: New test.

	PR c++/11744
	* g++.dg/template/koenig2.C: New test.

From-SVN: r70062