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-rw-r--r--gcc/ada/exp_disp.adb14
-rw-r--r--gcc/ada/freeze.adb27
-rw-r--r--gcc/ada/sem_ch3.adb5
3 files changed, 42 insertions, 4 deletions
diff --git a/gcc/ada/exp_disp.adb b/gcc/ada/exp_disp.adb
index 1585998..65d5b2a 100644
--- a/gcc/ada/exp_disp.adb
+++ b/gcc/ada/exp_disp.adb
@@ -1085,12 +1085,26 @@ package body Exp_Disp is
Set_Extra_Formal (Last_Formal, New_Formal);
Set_Extra_Formals (Subp_Typ, New_Formal);
+ if Ekind (Subp) = E_Function
+ and then Present (Extra_Accessibility_Of_Result (Subp))
+ and then Extra_Accessibility_Of_Result (Subp) = Old_Formal
+ then
+ Set_Extra_Accessibility_Of_Result (Subp_Typ, New_Formal);
+ end if;
+
Old_Formal := Extra_Formal (Old_Formal);
while Present (Old_Formal) loop
Set_Extra_Formal (New_Formal, New_Copy (Old_Formal));
New_Formal := Extra_Formal (New_Formal);
Set_Scope (New_Formal, Subp_Typ);
+ if Ekind (Subp) = E_Function
+ and then Present (Extra_Accessibility_Of_Result (Subp))
+ and then Extra_Accessibility_Of_Result (Subp) = Old_Formal
+ then
+ Set_Extra_Accessibility_Of_Result (Subp_Typ, New_Formal);
+ end if;
+
Old_Formal := Extra_Formal (Old_Formal);
end loop;
end if;
diff --git a/gcc/ada/freeze.adb b/gcc/ada/freeze.adb
index 4862c7d..57b4894 100644
--- a/gcc/ada/freeze.adb
+++ b/gcc/ada/freeze.adb
@@ -8718,6 +8718,14 @@ package body Freeze is
Has_Extra_Formals : Boolean := False;
begin
+ -- No check required if expansion is disabled because extra
+ -- formals are only generated when we are generating code.
+ -- See Create_Extra_Formals.
+
+ if not Expander_Active then
+ return True;
+ end if;
+
-- Check attribute Extra_Formal: if available it must be set only
-- in the last formal of E
@@ -8735,6 +8743,15 @@ package body Freeze is
Next_Formal (Formal);
end loop;
+ -- Check attribute Extra_Accessibility_Of_Result
+
+ if Ekind_In (E, E_Function, E_Subprogram_Type)
+ and then Needs_Result_Accessibility_Level (E)
+ and then No (Extra_Accessibility_Of_Result (E))
+ then
+ return False;
+ end if;
+
-- Check attribute Extra_Formals: if E has extra formals then this
-- attribute must must point to the first extra formal of E.
@@ -8897,14 +8914,16 @@ package body Freeze is
-- still unset (and must be set now).
if Present (Alias (E))
+ and then Is_Frozen (Ultimate_Alias (E))
and then Present (Extra_Formals (Ultimate_Alias (E)))
and then Last_Formal (Ultimate_Alias (E)) = Last_Formal (E)
then
- pragma Assert (Is_Frozen (Ultimate_Alias (E)));
- pragma Assert (No (First_Formal (Ultimate_Alias (E)))
- or else
- Present (Extra_Formal (Last_Formal (Ultimate_Alias (E)))));
Set_Extra_Formals (E, Extra_Formals (Ultimate_Alias (E)));
+
+ if Ekind (E) = E_Function then
+ Set_Extra_Accessibility_Of_Result (E,
+ Extra_Accessibility_Of_Result (Ultimate_Alias (E)));
+ end if;
else
Create_Extra_Formals (E);
end if;
diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb
index 6e0cfe2..78de388 100644
--- a/gcc/ada/sem_ch3.adb
+++ b/gcc/ada/sem_ch3.adb
@@ -15563,6 +15563,11 @@ package body Sem_Ch3 is
Set_Extra_Formals (New_Subp, Extra_Formals (Parent_Subp));
+ if Ekind (New_Subp) = E_Function then
+ Set_Extra_Accessibility_Of_Result (New_Subp,
+ Extra_Accessibility_Of_Result (Parent_Subp));
+ end if;
+
-- If this derivation corresponds to a tagged generic actual, then
-- primitive operations rename those of the actual. Otherwise the
-- primitive operations rename those of the parent type, If the parent