http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51466
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-12-08 15:41:50 UTC --- (In reply to comment #2) > Created attachment 26024 [details] > gcc47-pr51466.patch > > Another alternative. Note that apparently gimple_rhs_has_side_effects has > been > removed in the mean time, still having TREE_SIDE_EFFECTS consistent doesn't > hurt. Hm, well. It doesn't hurt, yes. But maybe it confuses people as to what is actually needed to be kept up-to-date? (that's not 100% clear to me either - GIMPLE at least does not care about TREE_SIDE_EFFECTS, though older RTL expansion code might).
