On Wed, Sep 18, 2024 at 1:33 PM Jakub Jelinek <ja...@redhat.com> wrote: > > On Wed, Sep 18, 2024 at 06:17:58PM +0100, Richard Sandiford wrote: > > +1 I'd much rather learn about this kind of error before the code reaches > > a review tool :) > > > > >From a quick check, it doesn't look like Clang has this, so there is no > > existing name to follow. > > I was considering also -Wtrailing-whitespace, but > 1) git diff really warns just about trailing spaces/tabs, not form feeds or > vertical tabs > 2) gcc source contains tons of spots with form feed in it (though, > I think pretty much always as the sole character on a line). > And not really sure how people use vertical tabs in the source if at all. > Perhaps form feed could be not warned if at end of line if it isn't the sole > character on a line... > > Jakub >
On the topic of warnings for minor whitespace nits that git will complain about, what do people think about -Wnewline-eof? clang has it, and Apple's fork of gcc had it, but they never contributed it back upstream...
