PR c++/9878

	PR c++/9878
	* call.c (convert_class_to_reference): Correct conversion
	sequences.
	(reference_binding): Add ref_bound_directly_to_rvalue_p parameter.
	(implicit_conversion): Adjust call to reference_binding.
	(add_candidate): Change type of candidates parameter.
	(add_function_candidate): Likewise.
	(add_conv_candidate): Likewise.
	(build_builtin_candidate): Likewise.
	(add_builtin_candidate): Likewise.
	(add_builtin_candidates): Likewise.
	(add_template_candidate_real): Likewise.
	(add_template_candidate): Likewise.
	(add_template_conv_candidate): Likewise.
	(build_user_type_conversion_1): Adjust accordingly.
	(build_object_call): Likewise.
	(build_conditional_expr): Likewise.
	(add_candidates): Likewise.
	(build_new_op): Likewise.
	(convert_like_real): Use USER_CONV_CAND.  Use build_nop.
	(build_new_method_call): Adjust calls to add_function_candidate.
	(make_temporary_var_for_ref_to_temp): New function.
	(initialize_reference): Add decl parameter.
	* class.c (build_rtti_vtbl_entries): Use build_address and
	build_nop.
	* cp-tree.h (initialize_reference): Change prototype.
	(make_temporary_var_for_ref_to_temp): New function.
	(build_type_conversion): Change prototype.
	(build_address): New function.
	(build_nop): Likewise.
	* cvt.c (cp_convert_to_pointer): Adjust call to
	build_type_conversion.  Avoid indicating redundant NOP_EXPRs.
	Use build_nop.
	(convert_to_pointer_force): Use build_nop.
	(build_up_reference): Use make_temporary_var_for_ref_to_temp.
	(convert_to_reference): Adjust call to build_type_conversion.
	(ocp_convert): Likewise.
	(build_type_conversion): Remove for_sure parameter.
	* decl.c (grok_reference_init): Use initialize_reference.
	* typeck.c (build_address): New function.
	(build_nop): Likewise.
	(build_unary_op): Use them.
	(build_ptrmemfunc): Tidy slightly.
	(convert_for_initialization): Adjust call to
	initialize_reference.
	* typeck2.c (store_init_value): Remove #if 0'd code.

	PR c++/9878
	* g++.dg/init/ref1.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@63735 138bc75d-0d04-0410-961f-82ee72b054a4