gcc/testsuite/gfortran.dg/allocate_zerosize_3.f

   1 C { dg-do run }
   2 C Test the fix for PR35698, in which the negative size dimension would
   3 C throw out the subsequent bounds.
   4 C
   5 C Contributed by Dick Hendrickson <dick.hendrickson@gmail.com>
   6 C
   7       program try_lf0030
   8       call LF0030(10)
   9       end
  10
  11       SUBROUTINE LF0030(nf10)
  12       INTEGER ILA1(7)
  13       INTEGER ILA2(7)
  14       LOGICAL LLA(:,:,:,:,:,:,:)
  15       INTEGER ICA(7)
  16       ALLOCATABLE LLA
  17
  18
  19       ALLOCATE (LLA(2:3, 4, 0:5,
  20      $          NF10:1, -2:7, -3:8,
  21      $          -4:9))
  22
  23       ILA1 = LBOUND(LLA)
  24       ILA2 = UBOUND(LLA)
  25 C     CORRECT FOR THE ZERO DIMENSIONED TERM TO ALLOW AN EASIER VERIFY
  26       ILA1(4) = ILA1(4) - 2    !   1 - 2 = -1
  27       ILA2(4) = ILA2(4) + 6    !   0 + 6 = 6
  28
  29       DO J1 = 1,7
  30       IVAL = 3-J1
  31       IF (ILA1(J1) .NE. IVAL) STOP 1
  32   100 ENDDO
  33
  34       DO J1 = 1,7
  35       IVAL = 2+J1
  36       IF (ILA2(J1) .NE. IVAL) STOP 2
  37   101 ENDDO
  38
  39       END SUBROUTINE
  40