return
	}

	// Keep in sync with src/cmd/go/internal/work/buildid.go:updateBuildID

	f, err := os.Open(file)
	if err != nil {
		log.Fatal(err)
	}
	matches, hash, err := buildid.FindAndHash(f, id, 0)
	f.Close()
	if err != nil {
		log.Fatal(err)
	}

	// <= go 1.7 doesn't embed the contentID or actionID, so no slash is present
	if !strings.Contains(id, "/") {

)

func testBuildID(t *testing.T) {
	f, err := elf.Open("/proc/self/exe")
	if err != nil {
		if os.IsNotExist(err) {
			t.Skip("no /proc/self/exe")
		}
		t.Fatal("opening /proc/self/exe: ", err)
	}
	defer f.Close()

	c := 0
sections:
	for i, s := range f.Sections {
		if s.Type != elf.SHT_NOTE {
			continue
		}

		d, err := s.Data()
		if err != nil {
			t.Logf("reading data of note section %d: %v", i, err)

		}},
	}}

	for _, v := range vectors {
		t.Run(path.Base(v.file), func(t *testing.T) {
			f, err := os.Open(v.file)
			if err != nil {
				t.Fatalf("unexpected error: %v", err)
			}
			defer f.Close()

			var fr io.Reader = f
			if strings.HasSuffix(v.file, ".bz2") {
				fr = bzip2.NewReader(fr)
			}

			// Capture all headers and checksums.
			var (
				tr      = NewReader(fr)

// Single quotes and double quotes are recognized to prevent splitting within the
// quoted region, and are removed from the resulting substrings. If a quote in s
// isn't closed err will be set and r will have the unclosed argument as the
// last element. The backslash is used for escaping.
//
// For example, the following string:
//
//	`a b:"c d" 'e''f'  "g\""`
//

pkg io, type Closer interface { Close }
pkg io, type Closer interface, Close() error
pkg io, type LimitedReader struct
pkg io, type LimitedReader struct, N int64
pkg io, type LimitedReader struct, R Reader
pkg io, type PipeReader struct
pkg io, type PipeWriter struct
pkg io, type ReadCloser interface { Close, Read }
pkg io, type ReadCloser interface, Close() error

	// allocated slice, but this pattern causes b to escape onto the heap.
	//
	// Instead use the append-make pattern with a nil slice to ensure that
	// we allocate buffers rounded up to the closest size class.
	c := len(b) + n // ensure enough space for n elements
	if c < 2*cap(b) {
		// The growth rate has historically always been 2x. In the future,
		// we could rely purely on append to determine the growth rate.

pkg syscall (darwin-arm64), const SYS_CHUD = 185
pkg syscall (darwin-arm64), const SYS_CHUD ideal-int
pkg syscall (darwin-arm64), const SYS_CLOSE = 6
pkg syscall (darwin-arm64), const SYS_CLOSE ideal-int
pkg syscall (darwin-arm64), const SYS_CLOSE_NOCANCEL = 399
pkg syscall (darwin-arm64), const SYS_CLOSE_NOCANCEL ideal-int
pkg syscall (darwin-arm64), const SYS_CONNECT = 98
pkg syscall (darwin-arm64), const SYS_CONNECT ideal-int

	ErrWriteTooLong    = errors.New("archive/tar: write too long")
	ErrFieldTooLong    = errors.New("archive/tar: header field too long")
	ErrWriteAfterClose = errors.New("archive/tar: write after close")
	ErrInsecurePath    = errors.New("archive/tar: insecure file path")
	errMissData        = errors.New("archive/tar: sparse file references non-existent data")

pkg syscall (windows-386), const CTRL_CLOSE_EVENT = 2
pkg syscall (windows-386), const CTRL_CLOSE_EVENT ideal-int
pkg syscall (windows-386), const CTRL_LOGOFF_EVENT = 5
pkg syscall (windows-386), const CTRL_LOGOFF_EVENT ideal-int
pkg syscall (windows-386), const CTRL_SHUTDOWN_EVENT = 6
pkg syscall (windows-386), const CTRL_SHUTDOWN_EVENT ideal-int
pkg syscall (windows-amd64), const CTRL_CLOSE_EVENT = 2

pkg database/sql/driver, type RowsColumnTypeDatabaseTypeName interface { Close, ColumnTypeDatabaseTypeName, Columns, Next }
pkg database/sql/driver, type RowsColumnTypeDatabaseTypeName interface, Close() error
pkg database/sql/driver, type RowsColumnTypeDatabaseTypeName interface, Columns() []string