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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gnat.dg/] [unchecked_convert1.adb] - Blame information for rev 304

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1 304 jeremybenn
-- { dg-do run }
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-- { dg-options "-gnatws" }
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with Ada.Unchecked_Conversion;
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procedure Unchecked_Convert1 is
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  type Byte is mod 2**8;
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  type Stream is array (Natural range <>) of Byte;
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  type Rec is record
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    I1, I2 : Integer;
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  end record;
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  function Do_Sum (R : Rec) return Integer is
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  begin
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    return R.I1 + R.I2;
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  end;
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  function Sum (S : Stream) return Integer is
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    subtype Chunk is Stream (1 .. Rec'Size / 8);
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    function To_Chunk is new Ada.Unchecked_Conversion (Chunk, Rec);
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  begin
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    return Do_Sum (To_Chunk (S(S'First ..  S'First + Rec'Size / 8 - 1)));
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  end;
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  A : Stream (1..9);
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  I : Integer;
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begin
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  I := Sum (A(1..8));
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end;

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