const runtime.waitReasonGCSweepWait

4 uses

	runtime (current package)
		mgcsweep.go#L163: 	goparkunlock(&sweep.lock, waitReasonGCSweepWait, traceEvGoBlock, 1)
		mgcsweep.go#L182: 		goparkunlock(&sweep.lock, waitReasonGCSweepWait, traceEvGoBlock, 1)
		runtime2.go#L1000: 	waitReasonGCSweepWait                             // "GC sweep wait"
		runtime2.go#L1030: 	waitReasonGCSweepWait:           "GC sweep wait",