gcc/testsuite/gfortran.dg/array_memcpy_4.f90

! { dg-do compile }
! { dg-options "-O2 -fdump-tree-original" }
  type t
    logical valid
    integer :: x, y
  end type
  type (t) :: s(5)
  type (t) :: d(5)

  d = s
end
! { dg-final { scan-tree-dump-times "MEM.*d\\\] = MEM" 1 "original" } }
! { dg-final { cleanup-tree-dump "original" } }