Oh OK. Yeah, it’d be awesome to have that feature at the click of a button.
I’ve done similar things using folder tracks. I right click and add all loops to a new folder, and use the overview-clip in the Folder Track to slice and dice, by using splice tool on that clip. Then just use mute tool to mute/unmute the resulting clips. Not quite as slick as using the newer Comp Tool, but it works.