[PATCH] D48040: Implement constexpr __builtin_*_overflow

[Erich Keane via Phabricator via cfe-commits]

erichkeane added a comment.

Alright, done here: https://reviews.llvm.org/D48053

This one'll require some rebasing on that change, but I'm not sure how to do it in SVN.  Therefore, I'll just rebase this one when it comes to commit it.

-Erich


https://reviews.llvm.org/D48040