https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119070
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2025-02-28 Status|UNCONFIRMED |WAITING Ever confirmed|0 |1 --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I don't see anything wrong with the warning since it is undefined in C to what this testcase is trying to do. Do you have a full source rather than a reduced one? Because the reduced one is definitely undefined code.