re PR c++/25811 (No failure creating a POD containing a const member, using new without a new-initializer.)

	PR c++/25811
	* cp-tree.h (diagnose_uninitialized_cst_or_ref_member): Declare.
	* init.c (build_new_1): Check for uninitialized const members and
	uninitialized reference members, when using new without
	new-initializer. Call diagnose_uninitialized_cst_or_ref_member.
	(diagnose_uninitialized_cst_or_ref_member): Define, call
	diagnose_uninitialized_cst_or_ref_member_1.
	(diagnose_uninitialized_cst_or_ref_member_1): New function.

From-SVN: r158239