   0  strlen %r1 -> %i0
   3  -live- %i0, %r1
   6  goto_if_not_int_is_true %i0, L1
  10  strgetitem %r1, $0 -> %i0
  14  int_eq %i0, $'r' -> %i1
  18  int_eq %i0, $'w' -> %i2
  22  int_or %i1, %i2 -> %i1
  26  int_eq %i0, $'a' -> %i2
  30  int_or %i1, %i2 -> %i1
  34  int_eq %i0, $'U' -> %i0
  38  int_or %i1, %i0 -> %i0
  42  -live- %i0, %r1
  45  goto_if_not %i0, L2
  49  void_return
  50  ---
  50  L2:
  50  L3:
  50  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000563a6cc120c8> -> %r0
  54  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  59  setfield_gc_r %r0, $<* struct tuple2>, FieldDescr<pypy.interpreter.error.OpErrFmt.inst_xstrings>
  64  setfield_gc_r %r0, %r1, FieldDescr<pypy.interpreter.error.OpErrFmt.inst_x0>
  69  assert_not_none %r0
  71  -live- %r0
  74  raise %r0
  76  ---
  76  L1:
  76  goto L3
