   0  inline_call_r_v <JitCode 'check_number'>, R[%r1]
   5  -live- %r0, %r1, %r2
   8  inline_call_r_v <JitCode 'check_number'>, R[%r2]
  13  -live- %r0, %r1, %r2
  16  inline_call_r_r <JitCode 'allocate_instance__W_Count'>, R[%r0] -> %r0
  22  -live- %r0, %r1, %r2
  25  setfield_gc_r %r0, %r1, FieldDescr<pypy.module.itertools.interp_itertools.W_Count.inst_w_c>
  30  setfield_gc_r %r0, %r2, FieldDescr<pypy.module.itertools.interp_itertools.W_Count.inst_w_step>
  35  ref_return %r0
