defer timelog("end", "dist bootstrap")

	var debug, distpack, force, noBanner, noClean bool
	flag.BoolVar(&rebuildall, "a", rebuildall, "rebuild all")
	flag.BoolVar(&debug, "d", debug, "enable debugging of bootstrap process")
	flag.BoolVar(&distpack, "distpack", distpack, "write distribution files to pkg/distpack")
	flag.BoolVar(&force, "force", force, "build even if the port is marked as broken")

// Variables set by other packages.
//
// TODO(#40775): See if these can be plumbed as explicit parameters.
var (
	// RootMode determines whether a module root is needed.
	RootMode Root

	// ForceUseModules may be set to force modules to be enabled when
	// GO111MODULE=auto or to report an error when GO111MODULE=off.
	ForceUseModules bool

	allowMissingModuleImports bool

// x can be written as name expr. The split only happens if expr is a type
// element (per the isTypeElem predicate) or if force is set.
// If x is just a name, the result is (name, nil). If the split succeeds,
// the result is (name, expr). Otherwise the result is (nil, x).
// Examples:
//
//	x           force    name    expr
//	------------------------------------
//	P*[]int     T/F      P       *[]int

	 * around jmps to fix. this is rare.
	 */
	times := 0

	var bflag int
	var opc int32
	var out [6 + 3]uint32
	for {
		bflag = 0
		pc = 0
		times++
		c.cursym.Func().Text.Pc = 0 // force re-layout the code.
		for p = c.cursym.Func().Text; p != nil; p = p.Link {
			o = c.oplook(p)
			if int64(pc) > p.Pc {
				p.Pc = int64(pc)
			}

			/* very large branches
			if(o->type == 6 && p->pcond) {

	root := &work.Action{Mode: "go test", Actor: work.ActorFunc(printExitStatus), Deps: prints}

	// Force the printing of results to happen in order,
	// one at a time.
	for i, a := range prints {
		if i > 0 {
			a.Deps = append(a.Deps, prints[i-1])
		}
	}

	// Force benchmarks to run in serial.
	if !testC && (testBench != "") {
		// The first run must wait for all builds.

				s.advanceUses(v)
				a := v.Args[0]
				vi := &s.values[a.ID]
				if vi.regs == 0 && !vi.rematerializeable {
					// Use the spill location.
					// This forces later liveness analysis to make the
					// value live at this point.
					v.SetArg(0, s.makeSpill(a, b))
				} else if _, ok := a.Aux.(*ir.Name); ok && vi.rematerializeable {

	nargs := make([]string, 0, len(args)+len(extraArgs))
	for _, arg := range args {
		if !strings.HasPrefix(arg, "-O") {
			nargs = append(nargs, arg)
		}
	}

	// Force -O0 optimization and append extra arguments, but keep the
	// trailing "-" at the end.
	li := len(nargs) - 1
	last := nargs[li]
	nargs[li] = "-O0"
	nargs = append(nargs, extraArgs...)

		b := w.AvailableBuffer()
		if w.Available() != cap(b) {
			t.Fatalf("Available() = %v, want %v", w.Available(), cap(b))
		}

		// While not recommended, it is valid to append to a shifted buffer.
		// This forces Write to copy the input.
		if rn.Intn(8) == 0 && cap(b) > 0 {
			b = b[1:1:cap(b)]
		}

		// Append a random integer of varying width.
		n := int64(rn.Intn(1 << rn.Intn(30)))

// combine configuration from goTest and tester flags.
type goTest struct {
	timeout  time.Duration // If non-zero, override timeout
	short    bool          // If true, force -short
	tags     []string      // Build tags
	race     bool          // Force -race
	bench    bool          // Run benchmarks (briefly), not tests.
	runTests string        // Regexp of tests to run
	cpu      string        // If non-empty, -cpu flag

		panic("internal error: resolveIfUnambiguous called with empty pathSet")
	}

	for _, m := range cs.pkgMods {
		if _, ok := r.noneForPath(m.Path); ok {
			// A query with version "none" forces the candidate module to version
			// "none", so we cannot use any other version for that module.
			continue
		}

		if modload.MainModules.Contains(m.Path) {
			if m.Version == "" {