Do g77 suport multiple defined variable?

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A simple test program :

       subroutine forts ( )



      integer             numint1, numint1

      write(*,*)'proc end!'

      return
      end

pg77 can compile , while g77 can't.

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<div>A simple test program :</div>
<div>&nbsp;</div>
<div>
<div><font size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; subroutine forts ( )<br>&nbsp;</font></div><font size="2">
<div><br><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; integer&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; numint1, numint1<br>&nbsp;&nbsp;</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; write(*,*)&#39;proc end!&#39;</div>
<div>&nbsp;</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; end</div>
<div>&nbsp;</div>
<div>pg77 can compile , while g77 can&#39;t.</div></font></div>

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