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-rw-r--r--gcc/ada/sem_attr.adb29
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/ada/sem_attr.adb b/gcc/ada/sem_attr.adb
index 789cb47..9b33acd 100644
--- a/gcc/ada/sem_attr.adb
+++ b/gcc/ada/sem_attr.adb
@@ -3014,6 +3014,28 @@ package body Sem_Attr is
Check_Floating_Point_Type_0;
Set_Etype (N, Standard_Boolean);
+ ---------------------
+ -- Descriptor_Size --
+ ---------------------
+
+ when Attribute_Descriptor_Size =>
+ Check_E0;
+
+ -- Attribute Descriptor_Size is relevant only in the context of an
+ -- unconstrained array type.
+
+ if Is_Entity_Name (P)
+ and then Is_Type (Entity (P))
+ and then Is_Array_Type (Entity (P))
+ and then not Is_Constrained (Entity (P))
+ then
+ null;
+ else
+ Error_Attr_P ("invalid prefix for % attribute");
+ end if;
+
+ Set_Etype (N, Universal_Integer);
+
------------
-- Digits --
------------
@@ -6246,6 +6268,13 @@ package body Sem_Attr is
Fold_Uint
(N, UI_From_Int (Boolean'Pos (Denorm_On_Target)), True);
+ ---------------------
+ -- Descriptor_Size --
+ ---------------------
+
+ when Attribute_Descriptor_Size =>
+ null;
+
------------
-- Digits --
------------