   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.zipimport.interp_zipimport.W_ZipImporter.inst_filename> -> %r0
  29  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x00005609337a6288> -> %r1
  33  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  38  ref_return %r1
  40  ---
  40  L2:
  40  L3:
  40  raise $<* struct object>
  42  ---
  42  L1:
  42  goto L3
