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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gfortran.dg/] [c_ptr_tests_14.f90] - Rev 694

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! { dg-do run }
! { dg-options "-fdump-tree-original" }
!
! PR fortran/41298
!
! Check that c_null_ptr default initializer is really applied

module m
  use iso_c_binding
  type, public :: fgsl_file
     type(c_ptr)    :: gsl_file = c_null_ptr
     type(c_funptr) :: gsl_func = c_null_funptr
     type(c_ptr)    :: NIptr
     type(c_funptr) :: NIfunptr
  end type fgsl_file
contains
  subroutine sub(aaa,bbb)
    type(fgsl_file), intent(out)   :: aaa
    type(fgsl_file), intent(inout) :: bbb
  end subroutine
  subroutine proc() bind(C)
  end subroutine proc
end module m

program test
  use m
  implicit none
  type(fgsl_file) :: file, noreinit
  integer, target :: tgt

  call sub(file, noreinit)
  if(c_associated(file%gsl_file)) call abort()
  if(c_associated(file%gsl_func)) call abort()

  file%gsl_file = c_loc(tgt)
  file%gsl_func = c_funloc(proc)
  call sub(file, noreinit)
  if(c_associated(file%gsl_file)) call abort()
  if(c_associated(file%gsl_func)) call abort()
end program test

! { dg-final { scan-tree-dump-times "gsl_file = 0B" 1 "original" } }
! { dg-final { scan-tree-dump-times "gsl_func = 0B" 1 "original" } }

! { dg-final { scan-tree-dump-times "NIptr = 0B"    0 "original" } }
! { dg-final { scan-tree-dump-times "NIfunptr = 0B" 0 "original" } }

! { dg-final { scan-tree-dump-times "bbb =" 0 "original" } }

! { dg-final { cleanup-tree-dump "original" } }
! { dg-final { cleanup-modules "m" } }

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