func runtime.gcPrepareMarkRoots

3 uses

	runtime (current package)
		mgc.go#L919: 	gcPrepareMarkRoots()
		mgc.go#L1380: 			runCheckmark(func(_ *gcWork) { gcPrepareMarkRoots() })
		mgcmark.go#L109: func gcPrepareMarkRoots() {