out := <-outC

		// report any errors
		tstr := fmt.Sprintf("(%.2f seconds)", dt.Seconds())
		if g, e := strings.TrimSpace(out), strings.TrimSpace(eg.Output); g != e {
			fmt.Printf("--- FAIL: %s %s\ngot:\n%s\nwant:\n%s\n",
				eg.Name, tstr, g, e)
			ok = false
		} else if *chatty {
			fmt.Printf("--- PASS: %s %s\n", eg.Name, tstr)
		}
	}

	return

	before, err := os.Executable()
	if err != nil {
		fmt.Fprintf(os.Stderr, "failed to read executable name before deletion: %v\n", err)
		os.Exit(1)
	}

	err = os.Remove(before)
	if err != nil {
		fmt.Fprintf(os.Stderr, "failed to remove executable: %v\n", err)
		os.Exit(1)
	}

	after, err := os.Executable()
	if err != nil {
		fmt.Fprintf(os.Stderr, "failed to read executable name after deletion: %v\n", err)

	if *verbflag >= vlevel {
		fmt.Printf(s, a...)
		fmt.Printf("\n")
	}
}

func warn(s string, a ...interface{}) {
	fmt.Fprintf(os.Stderr, "warning: ")
	fmt.Fprintf(os.Stderr, s, a...)
	fmt.Fprintf(os.Stderr, "\n")
	if *hwflag {
		panic("unexpected warning")
	}
}

func fatal(s string, a ...interface{}) {
	fmt.Fprintf(os.Stderr, "error: ")
	fmt.Fprintf(os.Stderr, s, a...)
	fmt.Fprintf(os.Stderr, "\n")

		_, seekErr := f.Seek(0, io.SeekStart)
		_, readErr := io.Copy(&buf, f)
		out := buf.String()
		f.Close()
		os.Remove(f.Name())
		if seekErr != nil {
			fmt.Fprintf(os.Stderr, "testing: seek temp file: %v\n", seekErr)
			os.Exit(1)
		}
		if readErr != nil {
			fmt.Fprintf(os.Stderr, "testing: read temp file: %v\n", readErr)
			os.Exit(1)
		}

		err := recover()
		ok = eg.processRunResult(out, timeSpent, finished, err)
	}()

// Package printf defines an Analyzer that checks consistency
// of Printf format strings and arguments.
//
// # Analyzer printf
//
// printf: check consistency of Printf format strings and arguments
//
// The check applies to calls of the formatting functions such as
// [fmt.Printf] and [fmt.Sprintf], as well as any detected wrappers of
// those functions such as [log.Printf]. It reports a variety of

				benchName = fmt.Sprintf("%s-%d", Benchmark.Name, procs)
			}
			fmt.Printf("%s\t", benchName)
			r := b.run()
			if b.failed {
				// The output could be very long here, but probably isn't.
				// We print it all, regardless, because we don't want to trim the reason
				// the benchmark failed.
				fmt.Printf("--- FAIL: %s\n%s", benchName, b.output)
				continue
			}
			fmt.Printf("%v\n", r)

	fmt.Fprintf(&w, "\t\"fmt\"\n")
	fmt.Fprintf(&w, ")\n\n")

	for i := 0; i < FN; i++ {
		fmt.Fprintf(&w, "func bigfn%d()\n", i)
	}
	fmt.Fprintf(&w, "\nfunc main() {\n")

	// There are lots of dummy code generated in the .s files just to generate a lot
	// of text. Link them in but guard their call so their code is not executed but
	// the main part of the program can be run.

	if msg == "" {
		fmt.Fprintln(Output, args...)
	} else {
		fmt.Fprintf(Output, msg, args...)
	}
}

type errorMsg struct{}

var errorMessage errorMsg

func (i errorMsg) json(msg string, args ...interface{}) {
	var message string
	if msg != "" {
		message = fmt.Sprintf(msg, args...)
	} else {
		message = fmt.Sprint(args...)
	}

	switch t2 {
	case "int":
		return fmt.Sprintf("%s(%#x)", t2, int(v))
	case "int8":
		return fmt.Sprintf("%s(%#x)", t2, int8(v))
	case "int16":
		return fmt.Sprintf("%s(%#x)", t2, int16(v))
	case "int32":
		return fmt.Sprintf("%s(%#x)", t2, int32(v))
	case "int64":
		return fmt.Sprintf("%s(%#x)", t2, int64(v))
	case "uint":
		return fmt.Sprintf("%s(%#x)", t2, uint(v))
	case "uint8":

}

type Printer interface {
	Printf(format string, a ...any)
	Println(string)
}

func NewPrinterForWriter(w io.Writer) Printer {
	return &writerPrinter{writer: w}
}

type writerPrinter struct {
	writer io.Writer
}

func (w *writerPrinter) Printf(format string, a ...any) {
	_, _ = fmt.Fprintf(w.writer, format, a...)
}

func (w *writerPrinter) Println(str string) {