[PATCH] D37042: Teach clang to tolerate the 'p = nullptr + n' idiom used by glibc

[Andy Kaylor via Phabricator via cfe-commits]

andrew.w.kaylor added a comment.

In https://reviews.llvm.org/D37042#850676, @hfinkel wrote:

> I'd really like to see this done in some way such that we can issue a warning along with generating well-defined code. The warning can specifically state that the code is using an extension, etc.


Should it warn on any nullptr arithmetic, or just the cases that are being handled by this change?


https://reviews.llvm.org/D37042