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-rw-r--r--gcc/ada/sem_disp.adb7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/ada/sem_disp.adb b/gcc/ada/sem_disp.adb
index e0f384a..faf9740 100644
--- a/gcc/ada/sem_disp.adb
+++ b/gcc/ada/sem_disp.adb
@@ -1333,8 +1333,10 @@ package body Sem_Disp is
then
-- Ada 2005 (AI-251): Update the attribute alias of all the aliased
-- entities of the overridden primitive to reference New_Op, and also
- -- propagate them the new value of the attribute
- -- Is_Abstract_Subprogram.
+ -- propagate the proper value of Is_Abstract_Subprogram. Verify
+ -- that the new operation is subtype conformant with the interface
+ -- operations that it implements (for operations inherited from the
+ -- parent itself, this check is made when building the derived type).
Elmt := First_Elmt (Primitive_Operations (Tagged_Type));
while Present (Elmt) loop
@@ -1351,6 +1353,7 @@ package body Sem_Disp is
and then Alias (Prim) = Prev_Op
then
Set_Alias (Prim, New_Op);
+ Check_Subtype_Conformant (New_Op, Prim);
Set_Is_Abstract_Subprogram
(Prim, Is_Abstract_Subprogram (New_Op));