return typedslicecopy(de.Common(), ds, ss)
}

// A runtimeSelect is a single case passed to rselect.
// This must match ../runtime/select.go:/runtimeSelect
type runtimeSelect struct {
	dir SelectDir      // SelectSend, SelectRecv or SelectDefault
	typ *rtype         // channel type
	ch  unsafe.Pointer // channel
	val unsafe.Pointer // ptr to data (SendDir) or ptr to receive buffer (RecvDir)
}

		}
		var cases []SelectCase
		var info []caseInfo

		// Ready send.
		if x.Maybe() {
			ch, val := newop(len(cases), 1)
			cases = append(cases, SelectCase{
				Dir:  SelectSend,
				Chan: ch,
				Send: val,
			})
			info = append(info, caseInfo{desc: "ready send", canSelect: true})
		}

		// Ready recv.
		if x.Maybe() {
			ch, val := newop(len(cases), 1)