gcc/testsuite/gfortran.dg/mvbits_7.f90

   1 ! { dg-do run }
   2
   3 ! PR fortran/38883
   4 ! This ICE'd because the temporary-creation in the MVBITS call was wrong.
   5
   6 ! Contributed by Paul Richard Thomas <paul.richard.thomas@gmail.com>
   7
   8   type t
   9     integer  ::  I
  10     character(9)  :: chr
  11   end type
  12   type(t) :: x(4,3)
  13   type(t) :: y(4,3)
  14   x = reshape ([((t (i*j, "a"),i = 1,4), j=1,3)], [4,3])
  15   call foo (x)
  16   y = reshape ([((t (i*j*2, "a"),i = 1,4), j=1,3)], [4,3])
  17   call bar(y, 4, 3, 1, -1, -4, -3)
  18   if (any (x%i .ne. y%i)) call abort
  19 contains
  20   SUBROUTINE foo (x)
  21     TYPE(t) x(4, 3)      ! No dependency at all
  22     CALL MVBITS (x%i, 0, 6, x%i, 8)
  23     x%i = x%i * 2
  24   END SUBROUTINE
  25   SUBROUTINE bar (x, NF4, NF3, NF1, MF1, MF4, MF3)
  26     TYPE(t) x(NF4, NF3)  ! Dependency through variable indices
  27     CALL MVBITS (x(NF4:NF1:MF1, NF1:NF3)%i, 1, &
  28                  6, x(-MF4:-MF1:-NF1, -MF1:-MF3)%i, 9)
  29   END SUBROUTINE
  30 end