   0  -live- %r0, %r1
   3  goto_if_not_ptr_nonzero %r0, L1
   7  ref_copy %r0 -> %r2
  10  -live- %r0, %r1, %r2
  13  guard_class %r2 -> %i1
  16  L2:
  16  -live- %i1, %r0, %r1
  19  goto_if_not_ptr_nonzero %r1, L3
  23  ref_copy %r1 -> %r2
  26  -live- %i1, %r0, %r1, %r2
  29  guard_class %r2 -> %i0
  32  L4:
  32  -live- %i0, %i1, %r0, %r1
  35  goto_if_not_int_eq %i1, %i0, L5
  40  -live- %r0, %r1
  43  guard_class %r0 -> %i0
  46  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_user_overridden_class> -> %i1
  51  -live- %i0, %i1, %r0, %r1
  54  goto_if_not %i1, L6
  58  L7:
  58  inline_call_ir_r <JitCode '_call_binop_impl____sub_____rsub__'>, I[$False], R[%r0, %r1, $<* struct rpy_string>, $<* struct rpy_string>] -> %r2
  69  -live- %r0, %r1, %r2
  72  goto_if_not_ptr_iszero %r2, L8
  76  inline_call_r_r <JitCode 'oefmt__unsupported_operand_type_s__for______T__and___T__star_2'>, R[$<* struct pypy.objspace.std.typeobject.W_TypeObject>, $<* struct rpy_string>, %r0, %r1] -> %r1
  85  -live- %r1
  88  assert_not_none %r1
  90  -live- %r1
  93  guard_class %r1 -> %i0
  96  -live- %r1
  99  raise %r1
 101  ---
 101  L8:
 101  ref_return %r2
 103  ---
 103  L6:
 103  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_shortcut___sub__> -> %i0
 108  -live- %i0, %r0, %r1
 111  int_guard_value %i0
 113  residual_call_r_r %i0, <IndirectCallTargets>, R[%r0, %r1], <CallDescr(rr) EF=7> -> %r2
 121  -live- %r0, %r1, %r2
 124  inline_call_r_i <JitCode 'W_Root.is_w'>, R[$<* struct pypy.interpreter.baseobjspace.W_Root>, %r2] -> %i0
 131  -live- %i0, %r0, %r1, %r2
 134  goto_if_not %i0, L9
 138  goto L7
 141  ---
 141  L9:
 141  ref_return %r2
 143  ---
 143  L5:
 143  goto L7
 146  ---
 146  L3:
 146  int_copy $<* struct object_vtable> -> %i0
 149  goto L4
 152  ---
 152  L1:
 152  int_copy $<* struct object_vtable> -> %i1
 155  goto L2
