   0  getfield_gc_r %r1, FieldDescr<pypy.objspace.std.listobject.W_ListObject.inst_lstorage> -> %r1
   5  -live- %i0, %r0, %r1
   8  goto_if_not_int_is_true %i0, L1
  12  newlist_hint %i0, <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000555ac1380330>, FieldDescr<list.length>, FieldDescr<list.items>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000555ac03b1718> -> %r2
  23  inline_call_r_v <JitCode 'll_extend__listPtr_listPtr'>, R[%r2, %r1]
  29  L2:
  29  -live- %r0, %r2
  32  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000555aaa1329f8> -> %r1
  36  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.listobject.W_ListObject.inst_strategy>
  41  setfield_gc_r %r1, %r2, FieldDescr<pypy.objspace.std.listobject.W_ListObject.inst_lstorage>
  46  ref_return %r1
  48  ---
  48  L1:
  48  getfield_gc_i %r1, FieldDescr<list.length> -> %i0
  53  int_sub %i0, $0 -> %i0
  57  newlist %i0, <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000555ac1380330>, FieldDescr<list.length>, FieldDescr<list.items>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000555ac03b1718> -> %r2
  68  getfield_gc_r %r1, FieldDescr<list.items> -> %r1
  73  getfield_gc_r %r2, FieldDescr<list.items> -> %r3
  78  residual_call_ir_v $<* fn ll_arraycopy__arrayPtr_arrayPtr_Signed_Signed_Signed>, I[$0, $0, %i0], R[%r1, %r3], <CallDescr(rriii) EF=2 OS_ARRAYCOPY>
  89  goto L2
