gcc/testsuite/gfortran.dg/proc_ptr_comp_13.f90

   1 ! { dg-do run }
   2 !
   3 ! PR 40882: [F03] infinite recursion in gfc_get_derived_type with PPC returning derived type.
   4 ! At the same time, check that a formal argument does not cause infinite recursion (PR 40870).
   5 !
   6 ! Contributed by Janus Weil <janus@gcc.gnu.org>
   7
   8 implicit none
   9
  10 type :: t
  11   integer :: data
  12   procedure(foo), pointer, nopass :: ppc
  13   procedure(type(t)), pointer, nopass :: ppc2
  14 end type
  15
  16 type(t) :: o,o2
  17
  18 o%data = 1
  19 o%ppc => foo
  20
  21 o2 = o%ppc(o)
  22
  23 if (o%data /= 1) STOP 1
  24 if (o2%data /= 5) STOP 2
  25 if (.not. associated(o%ppc)) STOP 3
  26 if (associated(o2%ppc)) STOP 4
  27
  28 contains
  29
  30   function foo(arg)
  31     type(t) :: foo, arg
  32     foo%data = arg%data * 5
  33     foo%ppc => NULL()
  34   end function
  35
  36 end
  37