*ping* https://gcc.gnu.org/ml/gcc-patches/2015-06/msg00966.html
> Hello world, > > the attached patch emits a warning for constant integer division. > While correct according to the standard, I cannot really think > of a legitimate reason why people would want to write 3/5 where > they could have written 0 , so my preference would be to put > this under -Wconversion (like in the attached patch). > > However, I am open to discussion on that. It is easy enough to > change. > > Regression-tested. Opinions? Comments? Would somebody rather > have -Wconversion-extra? OK for trunk?