var runtime.useCheckmark

7 uses

	runtime (current package)
		mcheckmark.go#L33: var useCheckmark = false
		mcheckmark.go#L59: 	useCheckmark = true
		mcheckmark.go#L67: 	useCheckmark = false
		mgcmark.go#L373: 			if !useCheckmark && !(s.sweepgen == sg || s.sweepgen == sg+3) {
		mgcmark.go#L1594: 	if useCheckmark {
		mgcmark.go#L1694: 	if useCheckmark { // The world should be stopped so this should not happen.
		mwbbuf.go#L205: 	if useCheckmark {

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)
Golds is a Go 101 project developed by Tapir Liu.
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