gcc/testsuite/gfortran.dg/whole_file_14.f90

   1 ! { dg-do run }
   2 ! { dg-options "-fwhole-file -O3" }
   3 ! Check that the derived types are correctly substituted when
   4 ! whole file compiling.
   5 !
   6 ! Contributed by Dominique d'Humieres  <dominiq@lps.ens.fr
   7 !
   8 module global
   9  type                                ::  mytype
  10    type(mytype),pointer   ::  this
  11  end type mytype
  12  type(mytype),target        :: base
  13 end module global
  14
  15 program test_equi
  16   use global
  17   call check()
  18   print *, "base%this%this=>base?"  ,  associated(base%this%this,base)
  19   print *, "base%this%this=>?" ,          associated(base%this%this)
  20   print *, "base%this=>?" ,                   associated(base%this)
  21 contains
  22   subroutine check()
  23     type(mytype),target        :: j
  24     base%this => j                      !have the variables point
  25     j%this => base                      !to one another
  26   end subroutine check                  !take j out of scope
  27 end program test_equi
  28 ! { dg-final { cleanup-modules "global" } }