http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60350
--- Comment #3 from Chengnian Sun <chengniansun at gmail dot com> --- (In reply to Marek Polacek from comment #2) > I think the maybe-used-uninitialized warning is in place here, it depends on > I whether pf or pv is evaluated. The column info looks bogus indeed. Thanks, Marek. I misunderstood the meaning of maybe-used-uninitialized warnings