   0  inline_call_r_r <JitCode 'allocate_instance__W_GroupBy'>, R[%r0] -> %r0
   6  -live- %r0, %r1, %r2
   6  inline_call_r_r <JitCode 'iter'>, R[%r1] -> %r1
  12  -live- %r0, %r1, %r2
  12  setfield_gc_r %r0, %r1, FieldDescr<pypy.module.itertools.interp_itertools.W_GroupBy.inst_w_iterator>
  17  -live- %r0, %r2
  17  goto_if_not_ptr_iszero %r2, L1
  21  ref_copy $<* struct pypy.interpreter.baseobjspace.W_Root> -> %r2
  24  L2:
  24  setfield_gc_r %r0, %r2, FieldDescr<pypy.module.itertools.interp_itertools.W_GroupBy.inst_w_keyfunc>
  29  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.module.itertools.interp_itertools.W_GroupBy.inst_w_tgtkey>
  34  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.module.itertools.interp_itertools.W_GroupBy.inst_w_currkey>
  39  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.module.itertools.interp_itertools.W_GroupBy.inst_w_currvalue>
  44  ref_return %r0
  46  ---
  46  L1:
  46  goto L2
