https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116997
--- Comment #6 from Stefan Schulze Frielinghaus <stefansf at gcc dot gnu.org> --- I gave it a try on s390 and I also end up with MEM <vector(2) unsigned int> [(void *)Ptr.0_1] = { 7, 6291456 }; Thanks for the very fast fix :)