On Sat, Apr 23, 2011 at 6:33 PM, Jan Hubicka <hubi...@ucw.cz> wrote: > Hi, > the problems with LTO build reported by Toon is caused by a hack disabling > jump function in ipa-prop on wpa. The hack is no longer needed and it is > wrong, > since jump function makes no sense when they are not updated. Consequentely > inline cost metrics get lost. > > I am testing the following patch that also fortifies the datastructures > for array overruns (this was how the problem manifested itself). > > Bootstrapping/regtesting x86_64-linux, will commit it if passes. > > Honza > > * ipa-prop.c (ipa_propagate_indirect_call_infos): Remove obsolette > WPA hack. > * ipa-prop.h (ipa_get_param, ipa_is_param_used, > ipa_param_cannot_devirtualize_p, > ipa_param_types_vec_empty, ipa_get_ith_jump_func, ipa_get_lattice): > Fortify array bounds. > * ipa-inline-analysis.c (add_clause): Fix clause ordering. > (and_predicates, or_predicates, predicates_equal_p, > evaulate_predicate): > Sanity check predicate length. > (remap_predicate): Likewise; sanity check jump functions. > (inline_read_section, inline_write_summary): Sanity check > predicate length.
This caused: http://gcc.gnu.org/ml/gcc-cvs/2011-04/msg01110.html -- H.J.