File: rep_clause4.adb

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gcc-arm-none-eabi 15%3A14.2.rel1-1
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-- { dg-do run }

procedure Rep_Clause4 is

  type U32 is mod 2 ** 32;

  type Key is record
    Value : U32;
    Valid : Boolean;
  end record;

  type Key_Buffer is record
    Current, Latch : Key;
  end record;

  type Block is record
    Keys  : Key_Buffer;
    Stamp : U32;
  end record;
  for Block use record
    Keys  at  0 range 0 .. 103;
    Stamp at 13 range 0 .. 31;
  end record;

  My_Block : Block;
  My_Stamp : constant := 16#01234567#;

begin
  My_Block.Stamp := My_Stamp;
  My_Block.Keys.Latch := My_Block.Keys.Current;
  if My_Block.Stamp /= My_Stamp then
    raise Program_Error;
  end if;
end;