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-- { dg-do compile }

-- { dg-options "-O2 -gnatp -fdump-tree-optimized" }

-- The raise statement must be optimized away by

-- virtue of DECL_NONADDRESSABLE_P set on R.I.

package body Aliasing1 is

  function F (P : Ptr) return Integer is

  begin

    R.I := 0;

    P.all := 1;

    if R.I /= 0 then

      raise Program_Error;

    end if;

    return 0;

  end;

end Aliasing1;

-- { dg-final { scan-tree-dump-not "__gnat_rcheck" "optimized" } }

-- { dg-final { cleanup-tree-dump "optimized" } }