https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112629
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- if shift was -4, then `16 << shift` would be undefined but `1 << (shift + 4)` would be still defined.