const runtime.gcDrainIdle

4 uses

	runtime (current package)
		mgcmark.go#L1175: 	gcDrainIdle
		mgcmark.go#L1182: 	gcDrain(gcw, gcDrainIdle|gcDrainUntilPreempt|gcDrainFlushBgCredit)
		mgcmark.go#L1264: 	idle := flags&gcDrainIdle != 0
		mgcmark.go#L1272: 	if flags&(gcDrainIdle|gcDrainFractional) != 0 {