[PATCH] D34121: [ubsan] Teach the pointer overflow check that "p - <unsigned> <= p" (PR33430)

[Will Dietz via Phabricator via cfe-commits]

dtzWill added a comment.

Don't mean to block this, but just FYI I won't be able to look into this carefully until later this week (sorry!).

Kicked off a rebuild using these patches just now, though! O:)


https://reviews.llvm.org/D34121