cp-tree.h (TYPE_REF_P): New.

2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>

	* cp-tree.h (TYPE_REF_P): New.
	(TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
	* call.c (build_list_conv, build_aggr_conv, standard_conversion,
	direct_reference_binding, reference_binding, implicit_conversion,
	add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
	build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
	build_over_call, perform_implicit_conversion_flags,
	extend_ref_init_temps, type_has_extended_temps): Use it.
	* class.c (one_inheriting_sig, check_field_decls,
	check_bases_and_members, find_flexarrays, finish_struct,
	fixed_type_or_null): Likewise.
	* constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
	non_const_var_error, cxx_eval_constant_expression,
	potential_constant_expression_1): Likewise.
	* cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
	cp_genericize_r, cxx_omp_privatize_by_reference,
	cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
	cp_fold_maybe_rvalue): Likewise.
	* cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
	* cvt.c (build_up_reference, convert_to_reference,
	convert_from_reference, convert_to_void, noexcept_conv_p,
	fnptr_conv_p): Likewise.
	* decl.c (poplevel, check_for_uninitialized_const_var,
	check_initializer, initialize_local_var, cp_finish_decl,
	get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
	move_signature_fn_p, grok_op_properties, finish_function): Likewise.
	* decl2.c (grok_array_decl, cp_reconstruct_complex_type,
	decl_maybe_constant_var_p): Likewise.
	* error.c (dump_type_prefix, dump_expr): Likewise.
	* except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
	is_admissible_throw_operand_or_catch_parameter): Likewise.
	* expr.c (mark_use): Likewise.
	* init.c (build_zero_init_1, build_value_init_noctor,
	perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
	build_new, build_delete): Likewise.
	* lambda.c (build_lambda_object): Likewise.
	* mangle.c (write_expression, write_template_arg): Likewise.
	* method.c (forward_parm, do_build_copy_constructor,
	do_build_copy_assign, build_stub_object, constructible_expr,
	walk_field_subobs): Likewise.
	* parser.c (cp_parser_omp_for_loop_init,
	cp_parser_omp_declare_reduction_exprs,
	cp_parser_omp_declare_reduction): Likewise.
	* pt.c (convert_nontype_argument_function, convert_nontype_argument,
	convert_template_argument, tsubst_pack_expansion,
	tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
	maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
	more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
	value_dependent_expression_p, build_deduction_guide): Likewise.
	* semantics.c (finish_handler_parms, finish_non_static_data_member,
	finish_compound_literal, omp_privatize_field,
	handle_omp_array_sections_1, handle_omp_array_sections,
	cp_check_omp_declare_reduction, finish_omp_reduction_clause,
	finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
	finish_omp_clauses, finish_decltype_type, capture_decltype,
	finish_builtin_launder): Likewise.
	* tree.c (lvalue_kind, cp_build_reference_type, move,
	cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
	* typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
	cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
	cp_build_addr_expr_1, maybe_warn_about_useless_cast,
	build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
	build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
	convert_for_initialization,
	maybe_warn_about_returning_address_of_local, check_return_expr,
	cp_type_quals, casts_away_constness, non_reference): Likewise.
	* typeck2.c (cxx_readonly_error, store_init_value,
	process_init_constructor_record, build_x_arrow, build_functional_cast,
	add_exception_specifier): Likewise.

From-SVN: r260228

1 files changed, 9 insertions, 9 deletions

diff --git a/gcc/cp/class.c b/gcc/cp/class.c
index 4616d8d..e51946d 100644
--- a/gcc/cp/class.c
+++ b/gcc/cp/class.c
@@ -3054,7 +3054,7 @@ one_inheriting_sig (tree t, tree ctor, tree *parms, int nparms)
   if (nparms == 0)
     return;
   if (nparms == 1
-      && TREE_CODE (parms[0]) == REFERENCE_TYPE)
+      && TYPE_REF_P (parms[0]))
     {
       tree parm = TYPE_MAIN_VARIANT (TREE_TYPE (parms[0]));
       if (parm == t || parm == DECL_CONTEXT (ctor))
@@ -3463,7 +3463,7 @@ check_field_decls (tree t, tree *access_decls,
 		     "a member of a union", x);
 	      continue;
 	    }
-	  if (TREE_CODE (type) == REFERENCE_TYPE
+	  if (TYPE_REF_P (type)
 	      && TREE_CODE (x) == FIELD_DECL)
 	    {
 	      error ("non-static data member %q+D in a union may not "
@@ -3517,7 +3517,7 @@ check_field_decls (tree t, tree *access_decls,
 	CLASSTYPE_NON_STD_LAYOUT (t) = 1;
 
       /* If this is of reference type, check if it needs an init.  */
-      if (TREE_CODE (type) == REFERENCE_TYPE)
+      if (TYPE_REF_P (type))
 	{
 	  CLASSTYPE_NON_LAYOUT_POD_P (t) = 1;
 	  CLASSTYPE_NON_STD_LAYOUT (t) = 1;
@@ -3595,7 +3595,7 @@ check_field_decls (tree t, tree *access_decls,
 		     "and %<mutable%>", x);
 	      continue;
 	    }
-	  if (TREE_CODE (type) == REFERENCE_TYPE)
+	  if (TYPE_REF_P (type))
 	    {
 	      error ("member %q+D cannot be declared as a %<mutable%> "
 		     "reference", x);
@@ -5594,7 +5594,7 @@ check_bases_and_members (tree t)
 	    continue;
 
 	  type = TREE_TYPE (field);
-	  if (TREE_CODE (type) == REFERENCE_TYPE)
+	  if (TYPE_REF_P (type))
 	    warning_at (DECL_SOURCE_LOCATION (field),
 			OPT_Wuninitialized, "non-static reference %q#D "
 			"in class without a constructor", field);
@@ -6454,8 +6454,8 @@ find_flexarrays (tree t, flexmems_t *fmem, bool base_p,
 	 members if it hasn't been yet.  */
       tree eltype = fldtype;
       while (TREE_CODE (eltype) == ARRAY_TYPE
-	     || TREE_CODE (eltype) == POINTER_TYPE
-	     || TREE_CODE (eltype) == REFERENCE_TYPE)
+	     || TYPE_PTR_P (eltype)
+	     || TYPE_REF_P (eltype))
 	eltype = TREE_TYPE (eltype);
 
       if (RECORD_OR_UNION_TYPE_P (eltype))
@@ -7069,7 +7069,7 @@ finish_struct (tree t, tree attributes)
       if (processing_template_decl)
 	{
 	  tree f = next_initializable_field (TYPE_FIELDS (t));
-	  if (f && TREE_CODE (TREE_TYPE (f)) == POINTER_TYPE)
+	  if (f && TYPE_PTR_P (TREE_TYPE (f)))
 	    {
 	      f = next_initializable_field (DECL_CHAIN (f));
 	      if (f && same_type_p (TREE_TYPE (f), size_type_node))
@@ -7214,7 +7214,7 @@ fixed_type_or_null (tree instance, int *nonnull, int *cdtorp)
 	      return TREE_TYPE (TREE_TYPE (instance));
 	    }
 	}
-      else if (TREE_CODE (TREE_TYPE (instance)) == REFERENCE_TYPE)
+      else if (TYPE_REF_P (TREE_TYPE (instance)))
 	{
 	  /* We only need one hash table because it is always left empty.  */
 	  if (!fixed_type_or_null_ref_ht)