}

func transition(gs map[uint64]gState, g uint64, init, next gState) error {
	if g == unordered {
		return nil
	}
	curr := gs[g]
	if !transitionReady(g, curr, init) {
		// See comment near the call to transition, where we're building the frontier, for details on how this could
		// possibly happen.
		return errors.New("encountered impossible goroutine state transition")
	}
	switch next.seq {

	var r int
	for {
		var e error
		r, e = unix.Openat(dirfd, name, O_RDONLY|syscall.O_CLOEXEC|syscall.O_DIRECTORY|syscall.O_NOFOLLOW, 0)
		if e == nil {
			break
		}

		// See comment in openFileNolog.
		if e == syscall.EINTR {
			continue
		}

		return nil, e
	}

	if !supportsCloseOnExec {
		syscall.CloseOnExec(r)
	}

				name = name[:i]
				break
			}
		}
		// Check for useless names before allocating a string.
		if string(name) == "." || string(name) == ".." {
			continue
		}
		if n > 0 { // see 'n == 0' comment above
			n--
		}
		if mode == readdirName {
			names = append(names, string(name))
		} else if mode == readdirDirEntry {
			de, err := newUnixDirent(f.name, string(name), direntType(rec))

					pos = MakePos(p.file, line+1, colbase)
				} else {
					// regular comment
					// (if the comment spans multiple lines it's not
					// a valid line directive and will be discarded
					// by updateBase)
					pos = MakePos(p.file, line, col+uint(len(msg)))
				}
				p.updateBase(pos, line, col+2+5, text[5:]) // +2 to skip over // or /*
				return
			}

			// go: directive (but be conservative and test)

	< go/version
	< go/token
	< go/scanner
	< go/ast
	< go/internal/typeparams;

	FMT
	< go/build/constraint;

	FMT, sort
	< go/doc/comment;

	go/internal/typeparams, go/build/constraint
	< go/parser;

	go/doc/comment, go/parser, text/tabwriter
	< go/printer
	< go/format;

	math/big, go/token
	< go/constant;

	FMT, internal/goexperiment
	< internal/buildcfg;

		if !r.s.Scan() {
			if err := r.s.Err(); err != nil {
				return "", err
			}
			return "", io.EOF
		}
		txt := r.s.Text()
		tok, _ := readToken(txt)
		if tok == "" {
			continue // Empty line or comment.
		}
		return txt, nil
	}
}

var frameFields = []string{"pc", "func", "file", "line"}

func readArgs(s string, names []string) ([]uint64, error) {
	var args []uint64
	for _, name := range names {

			//
			// It's safe to pass a type to this function as an optimization because
			// from and to only ever refer to memory representing whole values of
			// type et. See the comment on bulkBarrierPreWrite.
			bulkBarrierPreWriteSrcOnly(uintptr(to), uintptr(from), copymem, et)
		}
	}

	if raceenabled {
		callerpc := getcallerpc()
		pc := abi.FuncPCABIInternal(makeslicecopy)

	})
	return sorted
}

// compare compares two values of the same type. It returns -1, 0, 1
// according to whether a > b (1), a == b (0), or a < b (-1).
// If the types differ, it returns -1.
// See the comment on Sort for the comparison rules.
func compare(aVal, bVal reflect.Value) int {
	aType, bType := aVal.Type(), bVal.Type()
	if aType != bType {
		return -1 // No good answer possible, but don't return 0: they're not equal.
	}

        then:
        cancelBuild()

        then:
        handler.releaseAll()

        then:
        daemons.daemon.becomesIdle()

        when:
        file('src/main/java/Foo.java') << "\n// Comment to trigger recompilation\n"
        handler = blockingHttpServer.expectAndBlock("/block")
        startBuild("compileJava")

        then:
        handler.waitForAllPendingCalls()

        then:

	rx := regexp.MustCompile(`^/\*(\w*)=([\w:]*)\*/$`)
	for _, group := range f.Comments {
		for _, comment := range group.List {
			// Parse the assertion in the comment.
			m := rx.FindStringSubmatch(comment.Text)
			if m == nil {
				t.Errorf("%s: bad comment: %s",
					fset.Position(comment.Pos()), comment.Text)
				continue
			}
			name, want := m[1], m[2]