http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51635
--- Comment #20 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-12-21 15:06:35 UTC --- (In reply to comment #19) > Btw, one issue with merging based on DECL_SOURCE_LOCATION is that reducing > LTO testcases is going to be disrupted by source line changes. So for it > to be effective one would need to preserve #include directives and reduce > headers together with sources (ugh). Which means - can you check (on the original sources) whether just using the patch comparing DECL_SOURCE_LOCATION fixes the bug (yeah, and runs into the new bug...) Btw, my fear of crossing SCCs should not really happen unless we have such bogus merging like outlined in comment #11.
