http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52188
--- Comment #12 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2012-02-16 20:01:03 UTC --- > --- Comment #8 from Martin Jambor <jamborm at gcc dot gnu.org> 2012-02-16 > 15:55:04 UTC --- > First and foremost, sorry for the big delay but I could not have a > look at this PR earlier. Nevertheless, I doubt that the decision of No worries, the other replies already pushed me in the right direction. > the new IPA-CP not to clone the function in question can be called a > bug. Yes, if the heuristics or other early optimizations results > change, the cloning decision might change again in the future - even > in between minor versions if we are really unlucky. Thanks. This just means we have to be extra careful with symbol versioning. Handling PR libstdc++/52191 would certainly help quite a bit, and other versions runtime libs don't use much (if any) wildcards in their version maps, so won't be easily affected. Rainer