cp:
	PR c++/19884
	* pt.c (check_explicit_specialization): Make sure namespace
	binding lookup found an overloaded function.
	(lookup_template_function): Just assert FNS is an overloaded
	function.

	PR c++/19895
	* decl.c (grokdeclarator): Check for error mark node in ptrmem
	construction.
testsuite:
	PR c++/19895
	* g++.dg/parse/ptrmem3.C: New.

	PR c++/19884
	* g++.old-deja/g++.oliva/template6.C: Add another case.
	* g++.dg/template/explicit6.C: New.

From-SVN: r95009