http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55562
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org |gnu.org | --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-18 13:41:07 UTC --- Created attachment 28995 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28995 gcc48-pr55562.patch Broken by the http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192969 sbitmap changes. modulo-sched.c seemed to be using sbitmap_a_and_b_cg in 4 places, that change replaced that by bitmap_and, but apparently the new function only returns non-zero (something changed) if destination sbitmap has popcount. sbitmap_a_and_b_cg on the other side asserted it doesn't have popcount.