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-- { dg-do compile }
-- { dg-options "-O2 -gnatp -fdump-tree-optimized" }
 
-- The raise statement must be optimized away by
-- virtue of TYPE_NONALIASED_COMPONENT set on A.
 
package body Aliasing2 is
 
  function F (P : Ptr) return Integer is
  begin
    A (1) := 0;
    P.all := 1;
    if A(1) /= 0 then
      raise Program_Error;
    end if;
    return 0;
  end;
 
end Aliasing2;
 
-- { dg-final { scan-tree-dump-not "gnat_rcheck" "optimized" } }
-- { dg-final { cleanup-tree-dump "optimized" } }