const runtime.traceBlockChanRecv

3 uses

	runtime (current package)
		chan.go#L664: 	gopark(chanparkcommit, unsafe.Pointer(&c.lock), reason, traceBlockChanRecv, 2)
		traceruntime.go#L96: 	traceBlockChanRecv
		traceruntime.go#L116: 	traceBlockChanRecv:           "chan receive",