Hey Michael,

thank you for looking into this.

> Meinersbur added a comment.
> This revision now requires changes to proceed.
> 
> Can you make two commits, one for
> "Rename ScopInfo to ScopBuilder."
> and another
> "Update ScopBuilder's memory management."?
I agree.

> In a later step, we could move the ScopBuilder into its own ScopBuilder.cpp and remove its declaration from the public ScopInfo.h as it's only used by ScopInfoRegionPass.
I think this should be done by you Michael as you rewrote the most of
that code last. That way git-blame will still have some meaning.