--- In c-prog@yahoogroups.com, "John Matthews" <jm5...@...> wrote: > > --- In c-prog@yahoogroups.com, Thomas Hruska <thruska@> wrote: > > > > Why in the world would the optimization level have anything to do with > > the warning level? > > I guess it needs to do certain types of static anlysis for > optimisation, and as a result of that analysis it spots things like > uninitialised variables. That is, the warning is just a by-product of > another process. > > But I'm only guessing.
Just checked with our tools team, who did the gcc port for our processor: "There are 2 phases in which uninitialised variable warnings are emitted and the second one will be executed only when you have optimizations turned on."
