gcc/testsuite/gfortran.dg/pointer_intent_3.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-std=f2003 -fall-intrinsics" }
   3 ! { dg-shouldfail "Invalid code" }
   4 !
   5 ! Pointer intent test
   6 ! PR fortran/29624
   7 !
   8 ! Valid program
   9 program test
  10  implicit none
  11  type myT
  12     integer :: j = 5
  13     integer, pointer :: jp => null()
  14  end type myT
  15  integer, pointer :: p
  16  type(myT) :: t
  17  call a(p)
  18  call b(t)
  19 contains
  20   subroutine a(p)
  21     integer, pointer,intent(in) :: p
  22     p => null(p)! { dg-error "Cannot assign to INTENT\\(IN\\) variable" }
  23     nullify(p)  ! { dg-error "Cannot assign to INTENT\\(IN\\) variable" }
  24     allocate(p) ! { dg-error "Cannot allocate INTENT\\(IN\\) variable" }
  25     call c(p)   ! { dg-error "is INTENT\\(IN\\) while interface specifies INTENT\\(INOUT\\)" }
  26     deallocate(p) ! { dg-error "Cannot deallocate INTENT\\(IN\\) variable" }
  27   end subroutine
  28   subroutine c(p)
  29     integer, pointer, intent(inout) :: p
  30     nullify(p)
  31   end subroutine c
  32   subroutine b(t)
  33     type(myT),intent(in) :: t
  34     t%jp = 5
  35     t%jp => null(t%jp)  ! { dg-error "Cannot assign to INTENT\\(IN\\) variable" }
  36     nullify(t%jp) ! { dg-error "Cannot assign to INTENT\\(IN\\) variable" }
  37     t%j = 7 ! { dg-error "Cannot assign to INTENT\\(IN\\) variable" }
  38     allocate(t%jp) ! { dg-error "Cannot allocate INTENT\\(IN\\) variable" }
  39     deallocate(t%jp) ! { dg-error "Cannot deallocate INTENT\\(IN\\) variable" }
  40   end subroutine b
  41 end program