Prevent multiple enumeration in `checkForOverlap`
Prevent multiple enumeration in `checkForOverlap`

peppy/osu,ppy/osu,ppy/osu,smoogipoo/osu,UselessToucan/osu,peppy/osu-new,NeoAdonis/osu,NeoAdonis/osu,smoogipoo/osu,ppy/osu,smoogipooo/osu,UselessToucan/osu,NeoAdonis/osu,UselessToucan/osu,smoogipoo/osu,peppy/osu,peppy/osu