gcc/testsuite/gfortran.dg/dependency_19.f90

   1 ! { dg-do compile }
   2 ! Tests the fix for PR30273, in which the pointer assignment was
   3 ! wrongly determined to have dependence because NULL() was not
   4 ! recognised by the analysis.
   5 !
   6 ! Contributed by Harald Anlauf <anlauf@gmx.de>
   7 !
   8 module gfcbug49
   9   implicit none
  10
  11   type spot_t
  12      integer, pointer     :: vm(:,:,:)
  13   end type spot_t
  14
  15   type rc_t
  16     integer               :: n
  17     type(spot_t), pointer :: spots(:) => NULL()
  18   end type rc_t
  19
  20 contains
  21
  22   subroutine construct (rc, n)
  23     type(rc_t), intent(out) :: rc
  24     integer   , intent(in)  :: n
  25     integer :: k
  26     rc% n = n
  27     allocate (rc% spots (n))
  28     forall (k=1:n)
  29        rc% spots (k)% vm => NULL() ! gfortran didn't swallow this
  30     end forall
  31   end subroutine construct
  32
  33 end module gfcbug49