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c { dg-do run }
c { dg-options "-std=gnu" }
* g77 0.5.23 and previous had bugs involving too little space
* allocated for EQUIVALENCE and COMMON areas needing initial
* padding to meet alignment requirements of the system.
 
      call subr
      end
 
      subroutine subr
      implicit none
 
      character c1(11), c2(11), c3(11)
      real r1, r2, r3
      character c4, c5, c6
      equivalence (c1(2), r1)
      equivalence (c2(2), r2)
      equivalence (c3(2), r3)
 
      c1(1) = '1'
      r1 = 1.
      c1(11) = '1'
      c4 = '4'
      c2(1) = '2'
      r2 = 2.
      c2(11) = '2'
      c5 = '5'
      c3(1) = '3'
      r3 = 3.
      c3(11) = '3'
      c6 = '6'
 
      call x (c1, r1, c2, r2, c3, r3, c4, c5, c6)
 
      end
 
      subroutine x (c1, r1, c2, r2, c3, r3, c4, c5, c6)
      implicit none
 
      character c1(11), c2(11), c3(11)
      real r1, r2, r3
      character c4, c5, c6
 
      if (c1(1) .ne. '1') call abort
      if (r1 .ne. 1.) call abort
      if (c1(11) .ne. '1') call abort
      if (c4 .ne. '4') call abort
      if (c2(1) .ne. '2') call abort
      if (r2 .ne. 2.) call abort
      if (c2(11) .ne. '2') call abort
      if (c5 .ne. '5') call abort
      if (c3(1) .ne. '3') call abort
      if (r3 .ne. 3.) call abort
      if (c3(11) .ne. '3') call abort
      if (c6 .ne. '6') call abort
 
      end