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-rw-r--r--gcc/cp/semantics.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 61dff51..4473c49 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -4878,6 +4878,7 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2)
switch (kind)
{
case CPTK_HAS_NOTHROW_ASSIGN:
+ type1 = strip_array_types (type1);
return (!CP_TYPE_CONST_P (type1) && type_code1 != REFERENCE_TYPE
&& (trait_expr_value (CPTK_HAS_TRIVIAL_ASSIGN, type1, type2)
|| (CLASS_TYPE_P (type1)
@@ -4885,8 +4886,11 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2)
true))));
case CPTK_HAS_TRIVIAL_ASSIGN:
+ /* ??? The standard seems to be missing the "or array of such a class
+ type" wording for this trait. */
+ type1 = strip_array_types (type1);
return (!CP_TYPE_CONST_P (type1) && type_code1 != REFERENCE_TYPE
- && (pod_type_p (type1)
+ && (trivial_type_p (type1)
|| (CLASS_TYPE_P (type1)
&& TYPE_HAS_TRIVIAL_ASSIGN_REF (type1))));
@@ -4899,21 +4903,25 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2)
case CPTK_HAS_TRIVIAL_CONSTRUCTOR:
type1 = strip_array_types (type1);
- return (pod_type_p (type1)
+ return (trivial_type_p (type1)
|| (CLASS_TYPE_P (type1) && TYPE_HAS_TRIVIAL_DFLT (type1)));
case CPTK_HAS_NOTHROW_COPY:
+ type1 = strip_array_types (type1);
return (trait_expr_value (CPTK_HAS_TRIVIAL_COPY, type1, type2)
|| (CLASS_TYPE_P (type1)
&& classtype_has_nothrow_assign_or_copy_p (type1, false)));
case CPTK_HAS_TRIVIAL_COPY:
- return (pod_type_p (type1) || type_code1 == REFERENCE_TYPE
+ /* ??? The standard seems to be missing the "or array of such a class
+ type" wording for this trait. */
+ type1 = strip_array_types (type1);
+ return (trivial_type_p (type1) || type_code1 == REFERENCE_TYPE
|| (CLASS_TYPE_P (type1) && TYPE_HAS_TRIVIAL_INIT_REF (type1)));
case CPTK_HAS_TRIVIAL_DESTRUCTOR:
type1 = strip_array_types (type1);
- return (pod_type_p (type1) || type_code1 == REFERENCE_TYPE
+ return (trivial_type_p (type1) || type_code1 == REFERENCE_TYPE
|| (CLASS_TYPE_P (type1)
&& TYPE_HAS_TRIVIAL_DESTRUCTOR (type1)));
@@ -4947,6 +4955,12 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2)
case CPTK_IS_POLYMORPHIC:
return (CLASS_TYPE_P (type1) && TYPE_POLYMORPHIC_P (type1));
+ case CPTK_IS_STD_LAYOUT:
+ return (std_layout_type_p (type1));
+
+ case CPTK_IS_TRIVIAL:
+ return (trivial_type_p (type1));
+
case CPTK_IS_UNION:
return (type_code1 == UNION_TYPE);
@@ -4995,6 +5009,8 @@ finish_trait_expr (cp_trait_kind kind, tree type1, tree type2)
|| kind == CPTK_IS_ENUM
|| kind == CPTK_IS_POD
|| kind == CPTK_IS_POLYMORPHIC
+ || kind == CPTK_IS_STD_LAYOUT
+ || kind == CPTK_IS_TRIVIAL
|| kind == CPTK_IS_UNION);
if (kind == CPTK_IS_CONVERTIBLE_TO)
@@ -5036,6 +5052,8 @@ finish_trait_expr (cp_trait_kind kind, tree type1, tree type2)
case CPTK_IS_EMPTY:
case CPTK_IS_POD:
case CPTK_IS_POLYMORPHIC:
+ case CPTK_IS_STD_LAYOUT:
+ case CPTK_IS_TRIVIAL:
if (!check_trait_type (type1))
{
error ("incomplete type %qT not allowed", type1);