log.Fatal(err)
	}
	os.Stdout.Write(data)
}

// addVersionFlag registers a -V flag that, if set,
// prints the executable version and exits 0.
//
// If the -V flag already exists — for example, because it was already
// registered by a call to cmd/internal/objabi.AddVersionFlag — then
// addVersionFlag does nothing.
func addVersionFlag() {
	if flag.Lookup("V") == nil {

		defer out.Close()
	}

	w := bufio.NewWriter(out)
	if _, err := d.WriteTo(w); err != nil {
		return fmt.Errorf("error writing output file: %w", err)
	}

	return nil
}

func main() {
	objabi.AddVersionFlag()

	log.SetFlags(0)
	log.SetPrefix("preprofile: ")
	telemetry.Start()

	flag.Usage = usage
	flag.Parse()
	telemetry.Inc("preprofile/invocations")

	flag.Var(&I, "I", "include directory; can be set multiple times")
	flag.BoolVar(&DebugV, "v", false, "print debug output")
	flag.Var(objabi.NewDebugFlag(&DebugFlags, nil), "d", "enable debugging settings; try -d help")
	objabi.AddVersionFlag() // -V
	objabi.Flagcount("S", "print assembly and machine code", &PrintOut)
}

// MultiFlag allows setting a value multiple times to collect a list, as in -I=dir1 -I=dir2.
type MultiFlag []string

	"golang.org/x/tools/go/analysis/passes/unreachable"
	"golang.org/x/tools/go/analysis/passes/unsafeptr"
	"golang.org/x/tools/go/analysis/passes/unusedresult"
)

func main() {
	telemetry.Start()
	objabi.AddVersionFlag()

	telemetry.Inc("vet/invocations")
	unitchecker.Main(
		appends.Analyzer,
		asmdecl.Analyzer,
		assign.Analyzer,
		atomic.Analyzer,
		bools.Analyzer,
		buildtag.Analyzer,
		cgocall.Analyzer,

				args[i] = DecodeArg(arg)
			}
			out = append(out, expandArgs(args)...)
		} else if out != nil {
			out = append(out, s)
		}
	}
	if out == nil {
		return in
	}
	return
}

func AddVersionFlag() {
	flag.Var(versionFlag{}, "V", "print version and exit")
}

var buildID string // filled in by linker

type versionFlag struct{}

func (versionFlag) IsBoolFlag() bool { return true }

	objabi.Flagfn1("L", "add specified `directory` to library path", func(a string) { Lflag(ctxt, a) })
	objabi.AddVersionFlag() // -V
	objabi.Flagfn1("X", "add string value `definition` of the form importpath.name=value", func(s string) { addstrdata1(ctxt, s) })
	objabi.Flagcount("v", "print link trace", &ctxt.Debugvlog)

	cgran            coverage.CounterGranularity
)

const (
	atomicPackagePath = "sync/atomic"
	atomicPackageName = "_cover_atomic_"
)

func main() {
	telemetry.Start()

	objabi.AddVersionFlag()
	flag.Usage = usage
	objabi.Flagparse(usage)
	telemetry.Inc("cover/invocations")
	telemetry.CountFlags("cover/flag:", *flag.CommandLine)

	// Usage information when no arguments.