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.


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@260228 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 9 insertions, 10 deletions

diff --git a/gcc/cp/cp-gimplify.c b/gcc/cp/cp-gimplify.c
index 317ba455a59..eda5f05ea6a 100644
--- a/gcc/cp/cp-gimplify.c
+++ b/gcc/cp/cp-gimplify.c
@@ -874,7 +874,7 @@ omp_var_to_track (tree decl)
   tree type = TREE_TYPE (decl);
   if (is_invisiref_parm (decl))
     type = TREE_TYPE (type);
-  else if (TREE_CODE (type) == REFERENCE_TYPE)
+  else if (TYPE_REF_P (type))
     type = TREE_TYPE (type);
   while (TREE_CODE (type) == ARRAY_TYPE)
     type = TREE_TYPE (type);
@@ -928,7 +928,7 @@ omp_cxx_notice_variable (struct cp_genericize_omp_taskreg *omp_ctx, tree decl)
 	      tree type = TREE_TYPE (decl);
 	      if (is_invisiref_parm (decl))
 		type = TREE_TYPE (type);
-	      else if (TREE_CODE (type) == REFERENCE_TYPE)
+	      else if (TYPE_REF_P (type))
 		type = TREE_TYPE (type);
 	      while (TREE_CODE (type) == ARRAY_TYPE)
 		type = TREE_TYPE (type);
@@ -1091,7 +1091,7 @@ cp_genericize_r (tree *stmt_p, int *walk_subtrees, void *data)
     }
 
   if (TREE_CODE (stmt) == INTEGER_CST
-      && TREE_CODE (TREE_TYPE (stmt)) == REFERENCE_TYPE
+      && TYPE_REF_P (TREE_TYPE (stmt))
       && (flag_sanitize & (SANITIZE_NULL | SANITIZE_ALIGNMENT))
       && !wtd->no_sanitize_p)
     {
@@ -1486,7 +1486,7 @@ cp_genericize_r (tree *stmt_p, int *walk_subtrees, void *data)
     case NOP_EXPR:
       if (!wtd->no_sanitize_p
 	  && sanitize_flags_p (SANITIZE_NULL | SANITIZE_ALIGNMENT)
-	  && TREE_CODE (TREE_TYPE (stmt)) == REFERENCE_TYPE)
+	  && TYPE_REF_P (TREE_TYPE (stmt)))
 	ubsan_maybe_instrument_reference (stmt_p);
       break;
 
@@ -1513,8 +1513,7 @@ cp_genericize_r (tree *stmt_p, int *walk_subtrees, void *data)
 	  else if (fn == NULL_TREE
 		   && CALL_EXPR_IFN (stmt) == IFN_UBSAN_NULL
 		   && TREE_CODE (CALL_EXPR_ARG (stmt, 0)) == INTEGER_CST
-		   && (TREE_CODE (TREE_TYPE (CALL_EXPR_ARG (stmt, 0)))
-		       == REFERENCE_TYPE))
+		   && TYPE_REF_P (TREE_TYPE (CALL_EXPR_ARG (stmt, 0))))
 	    *walk_subtrees = 0;
 	}
       /* Fall through.  */
@@ -1907,7 +1906,7 @@ cxx_omp_clause_dtor (tree clause, tree decl)
 bool
 cxx_omp_privatize_by_reference (const_tree decl)
 {
-  return (TREE_CODE (TREE_TYPE (decl)) == REFERENCE_TYPE
+  return (TYPE_REF_P (TREE_TYPE (decl))
 	  || is_invisiref_parm (decl));
 }
 
@@ -1916,7 +1915,7 @@ bool
 cxx_omp_const_qual_no_mutable (tree decl)
 {
   tree type = TREE_TYPE (decl);
-  if (TREE_CODE (type) == REFERENCE_TYPE)
+  if (TYPE_REF_P (type))
     {
       if (!is_invisiref_parm (decl))
 	return false;
@@ -2017,7 +2016,7 @@ cxx_omp_finish_clause (tree c, gimple_seq *)
   inner_type = TREE_TYPE (decl);
   if (decl == error_mark_node)
     make_shared = true;
-  else if (TREE_CODE (TREE_TYPE (decl)) == REFERENCE_TYPE)
+  else if (TYPE_REF_P (TREE_TYPE (decl)))
     inner_type = TREE_TYPE (inner_type);
 
   /* We're interested in the base element, not arrays.  */
@@ -2065,7 +2064,7 @@ cp_fold_maybe_rvalue (tree x, bool rval)
     {
       x = cp_fold (x);
       if (rval && DECL_P (x)
-	  && TREE_CODE (TREE_TYPE (x)) != REFERENCE_TYPE)
+	  && !TYPE_REF_P (TREE_TYPE (x)))
 	{
 	  tree v = decl_constant_value (x);
 	  if (v != x && v != error_mark_node)