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-- { dg-do run }
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-- { dg-do run }
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with Ada.Unchecked_Conversion;
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with Ada.Unchecked_Conversion;
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with Ada.Streams; use Ada.Streams;
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with Ada.Streams; use Ada.Streams;
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with Ada.Text_IO; use Ada.Text_IO;
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with Ada.Text_IO; use Ada.Text_IO;
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procedure Unchecked_Convert2 is
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procedure Unchecked_Convert2 is
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subtype Day_Number is Integer range 0 .. 31;
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subtype Day_Number is Integer range 0 .. 31;
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subtype Byte_Array_Of_Integer is Stream_Element_Array
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subtype Byte_Array_Of_Integer is Stream_Element_Array
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(1 .. Integer'Size / Stream_Element_Array'Component_Size);
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(1 .. Integer'Size / Stream_Element_Array'Component_Size);
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function To_Byte_Array is
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function To_Byte_Array is
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new Ada.Unchecked_Conversion (Integer, Byte_Array_Of_Integer);
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new Ada.Unchecked_Conversion (Integer, Byte_Array_Of_Integer);
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Day_Now : Day_Number;
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Day_Now : Day_Number;
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Pragma Volatile (Day_Now);
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Pragma Volatile (Day_Now);
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Arr : Stream_Element_Array (1 .. 12) := (others => 16#ff#);
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Arr : Stream_Element_Array (1 .. 12) := (others => 16#ff#);
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procedure Test (Arr : Stream_Element_Array) is
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procedure Test (Arr : Stream_Element_Array) is
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begin
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begin
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if Arr(5) /= 0 or Arr(6) /= 0 or Arr(7) /= 0 or Arr(8) /= 0 then
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if Arr(5) /= 0 or Arr(6) /= 0 or Arr(7) /= 0 or Arr(8) /= 0 then
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raise Program_Error;
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raise Program_Error;
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end if;
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end if;
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end;
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end;
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begin
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begin
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Day_Now := 0;
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Day_Now := 0;
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Arr (5 .. 8) := To_Byte_Array (Day_Now);
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Arr (5 .. 8) := To_Byte_Array (Day_Now);
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Test (Arr);
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Test (Arr);
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Arr (1) := 16#ff#;
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Arr (1) := 16#ff#;
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end Unchecked_Convert2;
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end Unchecked_Convert2;
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