https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68536
--- Comment #7 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- The problem of the segmentation fault is in base == NULL in lra_emit_add but the real root of the problem is in processing insn operators for subreg reloading. I'll have a patch today and commit it in trunk if everything is ok.
