http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55551
--- Comment #8 from Markus Trippelsdorf <markus at trippelsdorf dot de>
2012-12-01 09:01:33 UTC ---
(In reply to comment #5)
>
> Index: lto-cgraph.c
> ===================================================================
> --- lto-cgraph.c (revision 193999)
> +++ lto-cgraph.c (working copy)
> @@ -1345,7 +1345,8 @@ merge_profile_summaries (struct lto_file_decl_data
> /* Save a pointer to the profile_info with the largest
> scaled sum_all and the scale for use in merging the
> histogram. */
> - if (lto_gcov_summary.sum_all > saved_sum_all)
> + if (!saved_profile_info
> + || lto_gcov_summary.sum_all > saved_sum_all)
> {
> saved_profile_info = &file_data->profile_info;
> saved_sum_all = lto_gcov_summary.sum_all;
>
> Can you try adding this patch and seeing if that fixes the issue? I
> will hold off on sending the first fix for review to see if I should
> add this one.
Yes this fixes the issue. Firefox now builds fine.
Thanks.
