const runtime.waitReasonGCAssistWait

3 uses

	runtime (current package)
		mgcmark.go#L619: 	goparkunlock(&work.assistQueue.lock, waitReasonGCAssistWait, traceEvGoBlockGC, 2)
		runtime2.go#L999: 	waitReasonGCAssistWait                            // "GC assist wait"
		runtime2.go#L1029: 	waitReasonGCAssistWait:          "GC assist wait",