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-- PR ada/48844
-- Reported by Georg Bauhaus <bauhaus@futureapps.de> */
-- { dg-do compile }
procedure Discr30 is
generic
type Source is private;
type Target is private;
function Conversion (S : Source) return Target;
function Conversion (S : Source) return Target is
type Source_Wrapper is tagged record
S : Source;
end record;
type Target_Wrapper is tagged record
T : Target;
end record;
type Selector is (Source_Field, Target_Field);
type Magic (Sel : Selector := Target_Field) is record
case Sel is
when Source_Field => S : Source_Wrapper;
when Target_Field => T : Target_Wrapper;
end case;
end record;
M : Magic;
function Convert (T : Target_Wrapper) return Target is
begin
M := (Sel => Source_Field, S => (S => S));
return T.T;
end Convert;
begin
return Convert (M.T);
end Conversion;
type Integer_Access is access all Integer;
I : aliased Integer;
I_Access : Integer_Access := I'Access;
function Convert is new Conversion (Integer_Access, Integer);
begin
I := Convert (I_Access);
end;
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