[PATCH] D26064: [ADT] IntervalMap: fix setStart and setStop

[Vedant Kumar via llvm-commits]

vsk added a comment.

Could you add unit tests to unittest/ADT/IntervalMapTest? I want to make sure that:

- We're allowed to create 1-element intervals using setStart/setStop.
- If we create a 0-element interval using setStart/setStop, it just gets deleted.


https://reviews.llvm.org/D26064