This isn't new. Remember red hat 7's gcc 2.96, famous for subtly miscompiling a lot of projects. RH's problem was they supported an architecture that was new

This isn't new. Remember red hat 7's gcc 2.96, famous for subtly miscompiling a lot of projects. RH's problem was they supported an architecture that was new and had no backend in gcc 2.95, so they downloaded whatever unstable snapshot was available that day, and called it gcc 2.96 https://gcc.gnu.org/legacy-ml/gcc-announce/2000/msg00003.html https://gcc.gnu.org/legacy-ml/gcc-announce/2000/msg00003.htm...