   0  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab035b6720> -> %r4
   4  setfield_gc_r %r4, %r2, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
   9  inline_call_r_v <JitCode 'BytesDictStrategy.setitem'>, R[%r0, %r1, %r4, %r3]
  17  -live-
  20  void_return
