flagRandLayout    = flag.Int64("randlayout", 0, "randomize function layout")
	cpuprofile        = flag.String("cpuprofile", "", "write cpu profile to `file`")
	memprofile        = flag.String("memprofile", "", "write memory profile to `file`")
	memprofilerate    = flag.Int64("memprofilerate", 0, "set runtime.MemProfileRate to `rate`")

		},
		{
			"with_memprofile",
			`
package main
import "runtime"
func main() {
	runtime.MemProfile(nil, false)
	println(runtime.MemProfileRate)
}
`,
			"524288",
		},
		{
			"with_memprofile_indirect",
			`
package main
import "runtime"
var f = runtime.MemProfile
func main() {
	if f == nil {
		panic("no f")
	}
	println(runtime.MemProfileRate)
}
`,

// memory profiles to cpu.prof and mem.prof:
//
//	go test -cpuprofile cpu.prof -memprofile mem.prof -bench .
//
// To add equivalent profiling support to a standalone program, add
// code like the following to your main function:
//
//	var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to `file`")
//	var memprofile = flag.String("memprofile", "", "write memory profile to `file`")
//
//	func main() {
//	    flag.Parse()

	cf.BoolVar(&testFailFast, "failfast", false, "")
	cf.StringVar(&testFuzz, "fuzz", "", "")
	cf.Bool("fullpath", false, "")
	cf.StringVar(&testList, "list", "", "")
	cf.StringVar(&testMemProfile, "memprofile", "", "")
	cf.String("memprofilerate", "", "")
	cf.StringVar(&testMutexProfile, "mutexprofile", "", "")
	cf.String("mutexprofilefraction", "", "")
	cf.Var(&testOutputDir, "outputdir", "")
	cf.Int("parallel", 0, "")

		// Don't report {single,multi}checker debugging
		// flags or fix as these have no effect on unitchecker
		// (as invoked by 'go vet').
		switch f.Name {
		case "debug", "cpuprofile", "memprofile", "trace", "fix":
			return
		}

		b, ok := f.Value.(interface{ IsBoolFlag() bool })
		isBool := ok && b.IsBoolFlag()
		flags = append(flags, jsonFlag{f.Name, isBool, f.Usage})
	})