File: proc_ptr_5.f90

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gcc-arm-none-eabi 15%3A12.2.rel1-1
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! { dg-do run }
!
! NULL() initialization for PROCEDURE POINTERS
!
! Contributed by Tobias Burnus <burnus@gcc.gnu.org>

program main
implicit none
call test(.true.)
call test(.false.)

contains

integer function hello()
 hello = 42
end function hello

subroutine test(first)
 logical :: first
 integer :: i
 procedure(integer), pointer :: x => null()

 if(first) then
  if(associated(x)) STOP 1
  x => hello
 else
  if(.not. associated(x)) STOP 2
  i = x()
  if(i /= 42) STOP 3
 end if
 end subroutine test

end program main