const runtime.waitReasonGCAssistMarking

3 uses

	runtime (current package)
		mgcmark.go#L533: 	gp.waitreason = waitReasonGCAssistMarking
		runtime2.go#L989: 	waitReasonGCAssistMarking                         // "GC assist marking"
		runtime2.go#L1019: 	waitReasonGCAssistMarking:       "GC assist marking",