https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116088
--- Comment #5 from Petr Sumbera <sumbera at volny dot cz> --- (In reply to Richard Biener from comment #4) > i wonder if you can use gdb to check what the illegal instruction actually > is? I don't really know how. I don't see `graphite_transform_loops` in xgcc binary.