* cp-tree.h (enum cp_lvalue_kind_flags): Add clk_rvalueref.
	* tree.c (lvalue_p_1): Return it.  Remove
	treat_class_rvalues_as_lvalues parm.
	(real_lvalue_p): Disallow pseudo-lvalues here.
	(lvalue_or_rvalue_with_address_p): New fn.
	* call.c (initialize_reference): Use it instead of real_lvalue_p.

From-SVN: r149534