https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64136
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- 12 < 12 is false. So you read one past the array bounds.