https://gcc.gnu.org/g:5c281418ba3a17e9009445355b011729ea9441c0

commit r15-11329-g5c281418ba3a17e9009445355b011729ea9441c0
Author: Eric Botcazou <[email protected]>
Date:   Tue Jun 16 11:27:29 2026 +0200

    ada: Fix wrong error message with Finalizable and overloading
    
    We accept overloading for the primitives denoted by the Finalizable aspect,
    so Find_Controlled_Prim_Op needs to filter out the unrelated primitives.
    
    gcc/ada/ChangeLog:
    
            * exp_util.ads (Find_Optional_Prim_Op): Add Controlled_Op parameter
            defaulting to False.
            * exp_util.adb (Find_Optional_Prim_Op): Likewise.  When it is set to
            True, test whether the primitive has the signature of the controlled
            primitives.
            * sem_ch13.adb (Resolve_Finalization_Procedure): Reset Is_Overloaded
            once an interpretation has been selected among the set.

Diff:
---
 gcc/ada/exp_util.adb | 25 ++++++++++++++++++-------
 gcc/ada/exp_util.ads |  8 +++++++-
 gcc/ada/sem_ch13.adb |  1 +
 3 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/gcc/ada/exp_util.adb b/gcc/ada/exp_util.adb
index 1b6a0899cc7c..0077421a9a22 100644
--- a/gcc/ada/exp_util.adb
+++ b/gcc/ada/exp_util.adb
@@ -6124,7 +6124,7 @@ package body Exp_Util is
          return Empty;
       end if;
 
-      return Find_Optional_Prim_Op (T, Op_Name);
+      return Find_Optional_Prim_Op (T, Op_Name, Controlled_Op => True);
    end Find_Controlled_Prim_Op;
 
    ------------------------
@@ -6631,11 +6631,13 @@ package body Exp_Util is
    ---------------------------
 
    function Find_Optional_Prim_Op
-     (T : Entity_Id; Name : Name_Id) return Entity_Id
+     (T             : Entity_Id;
+      Name          : Name_Id;
+      Controlled_Op : Boolean := False) return Entity_Id
    is
+      Op   : Entity_Id;
       Prim : Elmt_Id;
       Typ  : Entity_Id := T;
-      Op   : Entity_Id;
 
    begin
       if Is_Class_Wide_Type (Typ) then
@@ -6657,14 +6659,23 @@ package body Exp_Util is
          Op := Node (Prim);
 
          --  We can retrieve primitive operations by name if it is an internal
-         --  name. For equality we must check that both of its operands have
-         --  the same type, to avoid confusion with user-defined equalities
-         --  than may have a asymmetric signature.
+         --  name. For equality, we must check that both of its operands have
+         --  the same type, to avoid confusion with user-defined equalities,
+         --  which may have an asymmetric signature. For controlled operations,
+         --  we check that the primitive is a procedure with a single In Out
+         --  parameter of a non-access type.
 
          exit when Chars (Op) = Name
            and then
              (Name /= Name_Op_Eq
-               or else Etype (First_Formal (Op)) = Etype (Last_Formal (Op)));
+               or else Etype (First_Formal (Op)) = Etype (Last_Formal (Op)))
+           and then
+             (not Controlled_Op
+               or else
+                 (Ekind (Op) = E_Procedure
+                   and then Ekind (First_Formal (Op)) = E_In_Out_Parameter
+                   and then not Is_Access_Type (Etype (First_Formal (Op)))
+                   and then No (Next_Formal (First_Formal (Op)))));
 
          Next_Elmt (Prim);
       end loop;
diff --git a/gcc/ada/exp_util.ads b/gcc/ada/exp_util.ads
index 4226fcc93777..69e50222a655 100644
--- a/gcc/ada/exp_util.ads
+++ b/gcc/ada/exp_util.ads
@@ -645,7 +645,13 @@ package Exp_Util is
    --  and returns Empty if not found.
 
    function Find_Optional_Prim_Op
-     (T : Entity_Id; Name : Name_Id) return Entity_Id;
+     (T             : Entity_Id;
+      Name          : Name_Id;
+      Controlled_Op : Boolean := False) return Entity_Id;
+   --  Same as Find_Prim_Op but, if Controlled_Op is True, returns a primitive
+   --  only if it has the signature of the three primitives of controlled types
+   --  Initialize/Adjust/Finalize, and returns Empty if not found.
+
    function Find_Optional_Prim_Op
      (T    : Entity_Id;
       Name : TSS_Name_Type) return Entity_Id;
diff --git a/gcc/ada/sem_ch13.adb b/gcc/ada/sem_ch13.adb
index d6206b8341ea..72e24b8b743a 100644
--- a/gcc/ada/sem_ch13.adb
+++ b/gcc/ada/sem_ch13.adb
@@ -16930,6 +16930,7 @@ package body Sem_Ch13 is
             while Present (It.Typ) loop
                if Is_Finalizable_Primitive (It.Nam) then
                   Set_Entity (N, It.Nam);
+                  Set_Is_Overloaded (N, False);
                   return;
                end if;

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