gcc/testsuite/gfortran.dg/null_6.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-std=f2008" }
   3 !
   4 ! PR fortran/34547
   5 ! PR fortran/50375
   6
   7 subroutine test_PR50375_3 ()
   8   interface gen3
   9     subroutine s31 (pi)
  10       integer, pointer :: pi
  11     end subroutine
  12     subroutine s32 (pr)
  13       real, allocatable :: pr(:)
  14     end subroutine
  15   end interface
  16   call gen3 (null ()) ! OK
  17 end subroutine test_PR50375_3
  18
  19 subroutine test_PR50375_2 ()
  20   interface gen2
  21     subroutine s21 (pi)
  22       integer, pointer :: pi
  23     end subroutine
  24     subroutine s22 (pr)
  25       real, optional :: pr
  26     end subroutine
  27   end interface
  28   call gen2 (null ()) ! { dg-error "MOLD= required in NULL|There is no specific subroutine" }
  29 end subroutine test_PR50375_2
  30
  31 subroutine test_PR34547_3 ()
  32   integer, allocatable :: i(:)
  33   print *, NULL(i)    ! { dg-error "Invalid context for NULL" }
  34 end subroutine test_PR34547_3