On Tue, May 10, 2011 at 8:12 PM, H.J. Lu <hjl.to...@gmail.com> wrote: > 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 >
I meant: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48954 -- H.J.
