re PR c++/18389 (ICE on struct declaration in for statement)

re PR c++/18389 (ICE on struct declaration in for statement)

	PR c++/18389
	* decl.c (start_decl): Make sure to set *pop_scope_p.  Return
	error_mark_node to indicate errors.

	PR c++/18429
	* parser.c (cp_parser_direct_declarator): Disallow non-constant
	array bounds when not inside a function.

	PR c++/18436
	* pt.c (tsubst_copy_and_build): Do not do Koenig lookup when an
	unqualified name resolves to a member function.

	PR c++/18407
	* pt.c (tsubst_copy_and_build): Handle qualified names used from a
	derived class correctly.

	* decl2.c (import_export_decl): Fix typo in comment.
	* tree.c (pod_type_p): Likewise.

	PR c++/18389
	* g++.dg/parse/cond1.C: New test.

	PR c++/18429
	* g++.dg/template/array9.C: New test.
	* g++.dg/ext/vla1.C: Adjust error messages.
	* g++.dg/ext/vlm1.C: Likewise.
	* g++.dg/template/crash2.C: Likewise.

	PR c++/18436
	* g++.dg/template/call3.C: New test.

	PR c++/18407
	* g++.dg/template/ptrmem11.C: New test.

From-SVN: r90545