[PATCH] D48040: Implement constexpr __builtin_*_overflow

[Eli Friedman via Phabricator via cfe-commits]

efriedma accepted this revision.
efriedma added a comment.
This revision is now accepted and ready to land.

I'd like to see a couple of testcases ensuring the return value is correct on overflow (we had a problem with that for __builtin_mul_overflow in the past).

Otherwise LGTM.


https://reviews.llvm.org/D48040