// instrumentation is added. 'go test -fuzz' still works without coverage,
// but it generates random inputs without guidance, so it's much less effective.
func fuzzInstrumentFlags() []string {
	if !platform.FuzzInstrumented(cfg.Goos, cfg.Goarch) {
		return nil
	}
	return []string{"-d=libfuzzer"}
}

func instrumentInit() {
	if !cfg.BuildRace && !cfg.BuildMSan && !cfg.BuildASan {
		return
	}