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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gnat.dg/] [renaming2.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 Text_IO;
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procedure renaming2 is
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    type RealNodeData;
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    type RefRealNodeData is access RealNodeData;
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    type ExpressionEntry;
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    type RefExpression is access ExpressionEntry;
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    type RefDefUseEntry is access Natural;
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    type ExpressionEntry is
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    record
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        Number : RefDefUseEntry;
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        Id     : Integer;
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    end record;
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    type RealNodeData is
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    record
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        Node   : RefExpression;
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        Id     : Integer;
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    end record;
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    for ExpressionEntry use
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    record
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        Number at 0 range  0 .. 63;
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        Id     at 8 range  0 .. 31;
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    end record ;
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    for RealNodeData use
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    record
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        Node   at  0 range  0 .. 63;
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        Id     at 8 range  0 .. 31;
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    end record ;
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    U_Node : RefDefUseEntry := new Natural'(1);
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    E_Node : RefExpression := new ExpressionEntry'(Number => U_Node,
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                                                   Id => 2);
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    R_Node : RefRealNodeData := new RealNodeData'(Node => E_Node,
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                                                   Id => 3);
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    procedure test_routine (NodeRealData : RefRealNodeData)
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    is
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        OldHead   : RefDefUseEntry renames NodeRealData.all.Node.all.Number;
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        OldHead1  : constant RefDefUseEntry := OldHead;
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    begin
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      NodeRealData.all.Node := new ExpressionEntry'(Number => null, Id => 4);
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      declare
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        OldHead2 : constant RefDefUseEntry := OldHead;
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      begin
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        if OldHead1 /= OldHead2
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        then
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          Text_IO.Put_Line (" OldHead changed !!!");
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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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  test_routine (R_Node);
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end;

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