const runtime.waitReasonCleanupWait

3 uses

	runtime (current package)
		mcleanup.go#L439: 		goparkunlock(&q.lock, waitReasonCleanupWait, traceBlockSystemGoroutine, 1)
		runtime2.go#L1102: 	waitReasonCleanupWait                             // "cleanup wait"
		runtime2.go#L1152: 	waitReasonCleanupWait:           "cleanup wait",

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)