[PATCH] D52137: Added warning for unary minus used with unsigned type

[Roman Lebedev via Phabricator via cfe-commits]

lebedev.ri added a comment.

> found some occurrences of this expression on our code base.

Standard question: what is the SNR of this warning? What value it brings?
How many times it fired? How many of these are actual real bugs?


https://reviews.llvm.org/D52137