// ignore the error and leave Initialized = false. On some
		// architectures (e.g. arm64) doinit() implements a fallback
		// readout and will set Initialized = true again.
		return err
	}
	bo := hostByteOrder()
	for len(buf) >= 2*(uintSize/8) {
		var tag, val uint
		switch uintSize {
		case 32:
			tag = uint(bo.Uint32(buf[0:]))
			val = uint(bo.Uint32(buf[4:]))
			buf = buf[8:]
		case 64: