const runtime.waitReasonChanSendNilChan

3 uses

	runtime (current package)
		chan.go#L164: 		gopark(nil, nil, waitReasonChanSendNilChan, traceEvGoStop, 2)
		runtime2.go#L1019: 	waitReasonChanSendNilChan                         // "chan send (nil chan)"
		runtime2.go#L1049: 	waitReasonChanSendNilChan:       "chan send (nil chan)",