http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53706
--- Comment #18 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-06-27 05:43:33 UTC --- I've just successfully bootstrapped a recent tree with (and without) the patch on ia64-linux-gnu, so I'm going to regtest it and post it (with proper credit).