gcc/testsuite/gfortran.dg/defined_assignment_8.f90

   1 ! { dg-do compile }
   2 !
   3 ! PR fortran/58469
   4 !
   5 ! Related: PR fortran/57697
   6 !
   7 ! Was ICEing before
   8 !
   9 module m0
  10   implicit none
  11   type :: component
  12     integer :: i = 42
  13   contains
  14     procedure :: assign0
  15     generic :: assignment(=) => assign0
  16   end type
  17   type, extends(component) :: comp2
  18     real :: aa
  19   end type comp2
  20   type parent
  21     type(comp2) :: foo
  22   end type
  23 contains
  24   elemental subroutine assign0(lhs,rhs)
  25     class(component), intent(INout) :: lhs
  26     class(component), intent(in) :: rhs
  27     lhs%i = 20
  28   end subroutine
  29 end module
  30
  31 program main
  32   use m0
  33   implicit none
  34   type(parent), allocatable :: left
  35   type(parent) :: right
  36   print *, right%foo
  37   left = right
  38   print *, left%foo
  39   if (left%foo%i /= 42) STOP 1
  40 end