https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118233
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Gianfranco from comment #2) > Hello Andrew, are you suggesting that is better to use -O2 rather than > exporting Wno-error=stringop-overflow, right? > Right now I downgraded the optimization level, but a double confirmation is > appreciated. No, I was trying to figure out why the warning was being produced. It was notes about internals of GCC rather than for the user at this point.