   0  inline_call_r_r <JitCode 'W_FFIType.__repr__'>, R[%r0] -> %r0
   6  -live- %r0
   9  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab42d25440> -> %r1
  13  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  18  ref_return %r1
