   0  -live- %r1
   0  goto_if_not_ptr_nonzero %r1, L1
   4  ref_copy %r1 -> %r0
   7  -live- %r0, %r1
   7  guard_class %r1 -> %i0
  10  -live- %i0, %r0
  10  goto_if_not_int_eq %i0, $<* struct object_vtable>, L2
  15  getfield_gc_r %r0, FieldDescr<pypy.module.pyexpat.interp_pyexpat.W_XMLParserType.inst_buffer> -> %r0
  20  -live- %r0
  20  goto_if_not_ptr_iszero %r0, L3
  24  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  26  ---
  26  L3:
  26  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  28  ---
  28  L2:
  28  raise $<* struct object>
  30  ---
  30  L1:
  30  raise $<* struct object>
