https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99927
--- Comment #14 from Segher Boessenkool <segher at gcc dot gnu.org> --- distribute_notes says Any clobbers from i2 or i1 can only exist if they were added by recog_for_combine. which is not true apparently. But all of this code *does* depend on that, it just doesn't make sense otherwise.
