// say "pkg syscall (darwin-amd64), type RawSockaddrInet6 struct" is missing.
		// See https://go.dev/issue/4303.
		{
			name: "contexts reconverging after api/next/* update",
			features: []string{
				"A",
				"pkg syscall, type RawSockaddrInet6 struct",
			},
			required: []string{
				"A",
				"pkg syscall (darwin-amd64), type RawSockaddrInet6 struct", // api/go1.n.txt

The [Func] type, which represents a function or method symbol, now
has a [Func.Signature] method that returns the function's type, which

type onlyReader struct {
	io.Reader
}

// An onlyWriter only implements io.Writer, no matter what other methods the underlying implementation may have.
type onlyWriter struct {
	io.Writer
}

// A scriptedReader is an io.Reader that executes its steps sequentially.
type scriptedReader []func(p []byte) (n int, err error)

pkg p3, func BadHop(int, int, int) (bool, bool, *ThirdBase, *ThirdBase, error)
pkg p3, method (*ThirdBase) GoodPlayer() (int, int, int)

The new type [KeepAliveConfig] permits fine-tuning the keep-alive
options for TCP connections, via a new [TCPConn.SetKeepAliveConfig]

	case "Call":
		testCall()
	case "Callback":
		testCallback()
	}
	println("OK")
}

func fatal(f string, args ...any) {
	fmt.Fprintln(os.Stderr, fmt.Sprintf(f, args...))
	os.Exit(1)
}

type GoCallback struct{}

func (p *GoCallback) Run() string {
	return "GoCallback.Run"
}

func testCall() {
	c := NewCaller()
	cb := NewCallback()

	c.SetCallback(cb)
	s := c.Call()

			f.Fatalf("failed to read testdata: %s", err)
		}
		f.Add(b)
	}

	f.Fuzz(func(t *testing.T, b []byte) {
		r, err := NewReader(bytes.NewReader(b), int64(len(b)))
		if err != nil {
			return
		}

		type file struct {
			header  *FileHeader
			content []byte
		}
		files := []file{}

		for _, f := range r.File {
			fr, err := f.Open()
			if err != nil {
				continue
			}
			content, err := io.ReadAll(fr)

#
# this script cross-compiles a toolchain for that GOOS/GOARCH
# combination, leaving the resulting tree in ../../go-${GOOS}-${GOARCH}-bootstrap.
# That tree can be copied to a machine of the given target type
# and used as $GOROOT_BOOTSTRAP to bootstrap a local build.
#
# Only changes that have been committed to Git (at least locally,
# not necessary reviewed and submitted to master) are included in the tree.
#

	res := [][]lex.Token{}
	if len(s) == 0 {
		return res
	}
	for _, o := range strings.Split(s, ",") {
		res = append(res, lex.Tokenize(o))
	}
	return res
}

func TestErroneous(t *testing.T) {

	type errtest struct {
		pseudo   string
		operands string
		expected string
	}

	nonRuntimeTests := []errtest{
		{"TEXT", "", "expect two or three operands for TEXT"},

}

func run(t *testing.T, dir string, lto bool, args ...string) {
	runArgs := append([]string{"run", "."}, args...)
	cmd := exec.Command("go", runArgs...)
	cmd.Dir = dir
	if lto {
		const cflags = "-flto -Wno-lto-type-mismatch -Wno-unknown-warning-option"
		cmd.Env = append(cmd.Environ(),
			"CGO_CFLAGS="+cflags,
			"CGO_CXXFLAGS="+cflags,
			"CGO_LDFLAGS="+cflags)
	}
	out, err := cmd.CombinedOutput()
	if string(out) != "OK\n" {