pkg syscall (linux-386), const MSG_FASTOPEN ideal-int
pkg syscall (linux-386), const MSG_FIN = 512
pkg syscall (linux-386), const MSG_MORE = 32768
pkg syscall (linux-386), const MSG_NOSIGNAL = 16384
pkg syscall (linux-386), const MSG_OOB = 1
pkg syscall (linux-386), const MSG_PEEK = 2
pkg syscall (linux-386), const MSG_PROXY = 16
pkg syscall (linux-386), const MSG_RST = 4096
pkg syscall (linux-386), const MSG_SYN = 1024

pkg syscall (linux-386), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-386-cgo), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-amd64), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-amd64-cgo), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-arm), type Cmsghdr struct, X__cmsg_data [0]uint8
pkg syscall (linux-arm-cgo), type Cmsghdr struct, X__cmsg_data [0]uint8

	s.Split(loopAtEOFSplit)
	// Expect a panic
	defer func() {
		err := recover()
		if err == nil {
			t.Fatal("should have panicked")
		}
		if msg, ok := err.(string); !ok || !strings.Contains(msg, "empty tokens") {
			panic(err)
		}
	}()
	for count := 0; s.Scan(); count++ {
		if count > 1000 {
			t.Fatal("looping")
		}
	}
	if s.Err() != nil {

</p>

<p>
There are subtler variants on this theme, such as this program.
</p>

<pre>
type T struct {
	msg string
}

var g *T

func setup() {
	t := new(T)
	t.msg = "hello, world"
	g = t
}

func main() {
	go setup()
	for g == nil {
	}
	print(g.msg)
}
</pre>

<p>
Even if <code>main</code> observes <code>g != nil</code> and exits its loop,

pkg syscall (openbsd-386), const MSG_CMSG_CLOEXEC = 2048
pkg syscall (openbsd-386), const MSG_CMSG_CLOEXEC ideal-int
pkg syscall (openbsd-386-cgo), const MSG_CMSG_CLOEXEC = 2048
pkg syscall (openbsd-386-cgo), const MSG_CMSG_CLOEXEC ideal-int
pkg syscall (openbsd-amd64), const MSG_CMSG_CLOEXEC = 2048
pkg syscall (openbsd-amd64), const MSG_CMSG_CLOEXEC ideal-int

pkg syscall (linux-arm-cgo), const MSG_CMSG_CLOEXEC ideal-int
pkg syscall (linux-arm-cgo), const MSG_CONFIRM ideal-int
pkg syscall (linux-arm-cgo), const MSG_CTRUNC ideal-int
pkg syscall (linux-arm-cgo), const MSG_DONTROUTE ideal-int
pkg syscall (linux-arm-cgo), const MSG_DONTWAIT ideal-int
pkg syscall (linux-arm-cgo), const MSG_EOR ideal-int
pkg syscall (linux-arm-cgo), const MSG_ERRQUEUE ideal-int

pkg log/slog, const LevelKey = "level" #56345
pkg log/slog, const LevelWarn = 4 #56345
pkg log/slog, const LevelWarn Level #56345
pkg log/slog, const MessageKey ideal-string #56345
pkg log/slog, const MessageKey = "msg" #56345
pkg log/slog, const SourceKey ideal-string #56345
pkg log/slog, const SourceKey = "source" #56345
pkg log/slog, const TimeKey ideal-string #56345
pkg log/slog, const TimeKey = "time" #56345