https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70800
--- Comment #5 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to David Binderman from comment #0) > trunk/libgcc/config/libbid/bid_binarydecimal.c:143934]: (style) Expression > '(X & 0xffff) > 0xf423f' is always false. > > Source code is > > nan(s,((((x) & 0xFFFFul) > 999999ul) ? 0 : \ > (((unsigned long long) x) << 44)),0ull); > I can't seem to find this code in the mentioned source file any longer, so I guess that part is fixed; keeping bug open for the enhancement to -Wtautological-compare