return typecheck.ConvNop(s, t)
}

var scase *types.Type

// Keep in sync with src/runtime/select.go.
func scasetype() *types.Type {
	if scase == nil {
		n := ir.NewDeclNameAt(src.NoXPos, ir.OTYPE, ir.Pkgs.Runtime.Lookup("scase"))
		scase = types.NewNamed(n)
		n.SetType(scase)
		n.SetTypecheck(1)

		scase.SetUnderlying(types.NewStruct([]*types.Field{

		var pcflags []string
		var pkgs []string
		for _, pcarg := range pcargs {
			if pcarg == "--" {
				// We're going to add our own "--" argument.
			} else if strings.HasPrefix(pcarg, "--") {
				pcflags = append(pcflags, pcarg)
			} else {
				pkgs = append(pkgs, pcarg)
			}
		}
		for _, pkg := range pkgs {
			if !load.SafeArg(pkg) {

	sel.SetTypecheck(1)
	sel.SetBounded(true) // guaranteed not to fault
	return sel
}

func runtimeField(name string, offset int64, typ *types.Type) *types.Field {
	f := types.NewField(src.NoXPos, ir.Pkgs.Runtime.Lookup(name), typ)
	f.Offset = offset
	return f
}

// ifaceData loads the data field from an interface.
// The concrete type must be known to have type t.
// It follows the pointer if !IsDirectIface(t).

		s := nam.Sym()
		sf := s.Pkg.Lookup(ir.FuncSymName(s)).Linksym()

		// While compiling package runtime, we might try to create
		// funcsyms for functions from both types.LocalPkg and
		// ir.Pkgs.Runtime.
		if base.Flag.CompilingRuntime && sf.OnList() {
			continue
		}

		// Function values must always reference ABIInternal
		// entry points.
		target := s.Linksym()

	// Copy the runtime packages into a temporary GOROOT
	// so that we can change files.
	var dirs []string
	tg.run("list", "-deps", "runtime")
	pkgs := strings.Split(strings.TrimSpace(tg.getStdout()), "\n")
	for _, pkg := range pkgs {
		dirs = append(dirs, filepath.Join("src", pkg))
	}
	dirs = append(dirs,
		filepath.Join("pkg/tool", goHostOS+"_"+goHostArch),
		"pkg/include",
	)

	if l.flags&FlagCheckLinkname == 0 {
		return
	}

	error := func() {
		log.Fatalf("%s: invalid reference to %s", pkg, name)
	}
	pkgs, ok := blockedLinknames[name]
	if ok {
		for _, p := range pkgs {
			if pkg == p {
				return // pkg is allowed
			}
		}
		error()
	}
	r, li := l.toLocal(s)
	if r == l.extReader { // referencing external symbol is okay

		if gover.Compare(ld.requirements.GoVersion(), gover.TidyGoModSumVersion) < 0 && (ld.Tidy || cfg.BuildMod != "mod") {
			keepPkgGoModSums = false
			keepModSumsForZipSums = false
		}
		for _, pkg := range ld.pkgs {
			// We check pkg.mod.Path here instead of pkg.inStd because the
			// pseudo-package "C" is not in std, but not provided by any module (and
			// shouldn't force loading the whole module graph).

		s.callResult(n, callNormal)
		if n.Op() == ir.OCALLFUNC && n.Fun.Op() == ir.ONAME && n.Fun.(*ir.Name).Class == ir.PFUNC {
			if fn := n.Fun.Sym().Name; base.Flag.CompilingRuntime && fn == "throw" ||
				n.Fun.Sym().Pkg == ir.Pkgs.Runtime &&
					(fn == "throwinit" || fn == "gopanic" || fn == "panicwrap" || fn == "block" ||
						fn == "panicmakeslicelen" || fn == "panicmakeslicecap" || fn == "panicunsafeslicelen" ||