   0  -live- %r1
   3  goto_if_not_ptr_nonzero %r1, L1
   7  ref_copy %r1 -> %r0
  10  -live- %r0, %r1
  13  guard_class %r1 -> %i0
  16  -live- %i0, %r0
  19  goto_if_not_int_eq %i0, $<* struct object_vtable>, L2
  24  getfield_gc_r %r0, FieldDescr<pypy.module._sre.interp_sre.W_SRE_Match.inst_w_string> -> %r0
  29  ref_return %r0
  31  ---
  31  L2:
  31  L3:
  31  raise $<* struct object>
  33  ---
  33  L1:
  33  goto L3
