c := make(chan int, 1)
	s.Add(0, func(r *reporter) error {
		c <- r.ExitCode()
		return nil
	})
	return <-c
}

// A reporter reports output, warnings, and errors.
type reporter struct {
	prev  <-chan *reporterState
	state *reporterState
}

// reporterState carries the state of a reporter instance.
//
// Only one reporter at a time may have access to a reporterState.

	}
	// 1. generate the local report
	localContents, err := json.MarshalIndent(report, "", " ")
	if err != nil {
		return "", fmt.Errorf("failed to marshal report for %s: %v", expiryDate, err)
	}
	// check that the report can be read back
	// TODO(pjw): remove for production?
	var report2 telemetry.Report
	if err := json.Unmarshal(localContents, &report2); err != nil {

	// error found.
	Error func(err error)

	// An importer is used to import packages referred to from
	// import declarations.
	// If the installed importer implements ImporterFrom, the type
	// checker calls ImportFrom instead of Import.
	// The type checker reports an error if an importer is needed
	// but none was installed.
	Importer Importer

	// If Sizes != nil, it provides the sizing functions for package unsafe.

	} else {
		// ordinary import
		var err error
		if importer := check.conf.Importer; importer == nil {
			err = fmt.Errorf("Config.Importer not installed")
		} else if importerFrom, ok := importer.(ImporterFrom); ok {
			imp, err = importerFrom.ImportFrom(path, dir, 0)
			if imp == nil && err == nil {
				err = fmt.Errorf("Config.Importer.ImportFrom(%s, %s, 0) returned nil but no error", path, dir)
			}
		} else {

import "go/types"

func main() {
	var info types.Info
	for _, obj := range info.Uses {
		_ = obj.Pkg()
	}
}
`
	// like src0, but also imports go/importer
	const src1 = `
package main

import (
	"go/types"
	_ "go/importer"
)

func main() {
	var info types.Info
	for _, obj := range info.Uses {
		_ = obj.Pkg()
	}
}
`
	// like src1 but with different import order

			}
		}
		return true
	})
}

// isFuzzTargetDotFuzz reports whether call is (*testing.F).Fuzz().
func isFuzzTargetDotFuzz(pass *analysis.Pass, call *ast.CallExpr) bool {
	return isFuzzTargetDot(pass, call, "Fuzz")
}

// isFuzzTargetDotAdd reports whether call is (*testing.F).Add().
func isFuzzTargetDotAdd(pass *analysis.Pass, call *ast.CallExpr) bool {

	o.UI.PrintErr(u.String())
}

// makeReport generates a report for the specified command.
// If configEditor is not null, it is used to edit the config used for the report.
func (ui *webInterface) makeReport(w http.ResponseWriter, req *http.Request,
	cmd []string, configEditor func(*config)) (*report.Report, []string) {
	cfg := currentConfig()
	if err := cfg.applyURL(req.URL.Query()); err != nil {

	assert(obj.typ == nil)

	// Only report a version error if we have not reported one already.
	versionErr := false

	var rhs Type
	check.later(func() {
		if t := asNamed(obj.typ); t != nil { // type may be invalid
			check.validType(t)
		}
		// If typ is local, an error was already reported where typ is specified/defined.

		}()
	}

	switch e := e0.(type) {
	case *syntax.BadExpr:
		// ignore - error reported before

	case *syntax.Name:
		var x operand
		check.ident(&x, e, def, true)

		switch x.mode {
		case typexpr:
			typ := x.typ
			setDefType(def, typ)
			return typ
		case invalid:
			// ignore - error reported before
		case novalue:
			check.errorf(&x, NotAType, "%s used as type", &x)
		default:

	found                     bool
	mods                      []module.Version
	importer, importerVersion string // optional, but used for additional context
	importerIsTest            bool
}

func (e *ImportMissingSumError) Error() string {
	var importParen string
	if e.importer != "" {
		importParen = fmt.Sprintf(" (imported by %s)", e.importer)
	}
	var message string
	if e.found {