On Fri, Apr 18, 2014 at 07:49:22AM +0200, Marc Glisse wrote: > On Fri, 18 Apr 2014, Marek Polacek wrote: > > >This patch implements a new warning that warns when controlling > >expression of a switch has boolean value. (Intentionally I don't > >warn if the controlling expression is (un)signed:1 bit-field.) > >I guess the question is if this should be enabled by default or > >deserves some new warning option. Since clang does the former, > >I did it too and currently this warning is enabled by default. > > It can be enabled by -Wsome-name which is itself enabled by default but > at least gives the possibility to use -Wno-some-name, -Werror=some-name, > etc. No? I believe Manuel insists regularly that no new warning should > use 0 (and old ones should progressively lose it).
Yes, that's the other possibility and exactly what I wanted to discuss. I think I'll prepare another version with -Wswitch-bool (and documentation). Marek