https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92801
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- You're repeating mistakes fromm the past. The "dumb" approach works for a single benchmark (mcf) but isn't at all usable for anything in the real world which means it is of no use for GCC (when factoring in maintainance cost).