From: Eric Botcazou <ebotca...@adacore.com> It comes from an incorrect node sharing in the expanded tree.
gcc/ada/ * sem_ch3.adb (Find_Type_Of_Object): Copy the object definition when building the subtype declaration in the case of a spec expression. Tested on x86_64-pc-linux-gnu, committed on master. --- gcc/ada/sem_ch3.adb | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb index 1ed590ba519..9e32dea5c02 100644 --- a/gcc/ada/sem_ch3.adb +++ b/gcc/ada/sem_ch3.adb @@ -18423,19 +18423,21 @@ package body Sem_Ch3 is Analyze (Subtype_Mark (Obj_Def)); declare - Base_T : constant Entity_Id := Entity (Subtype_Mark (Obj_Def)); - Decl : constant Node_Id := + Base_T : constant Entity_Id := Entity (Subtype_Mark (Obj_Def)); + New_Def : constant Node_Id := New_Copy_Tree (Obj_Def); + Decl : constant Node_Id := Make_Subtype_Declaration (Sloc (P), Defining_Identifier => T, - Subtype_Indication => Relocate_Node (Obj_Def)); + Subtype_Indication => New_Def); + begin Set_Etype (T, Base_T); Mutate_Ekind (T, Subtype_Kind (Ekind (Base_T))); - Set_Parent (T, Obj_Def); + Set_Parent (T, Decl); Set_Scope (T, Current_Scope); if Ekind (T) = E_Array_Subtype then - Constrain_Array (T, Obj_Def, Related_Nod, T, 'P'); + Constrain_Array (T, New_Def, Related_Nod, T, 'P'); elsif Ekind (T) = E_Record_Subtype then Set_First_Entity (T, First_Entity (Base_T)); -- 2.40.0