------- Additional Comments From pcarlini at suse dot de 2005-09-07 21:04 ------- (In reply to comment #12) > What I had meant was liba.so containing an explicit specialization of > std::vector<int> and libb.so using it while being compiled with > -fno-implicit-instantiations (or whatever the correct name for that > flag was). If you only re-compile libb.so, this won't work any more. > Likewise the other way round. If, however, std/vector.h contained both > the old and the new signature, the latter case would still work.
Thanks for the explanation, I'm still trying to digest it fully ;) > This sounds like a pretty academic case, though (but hey, that's the kind > of work I'm paid for :-), so I don't think it's worth bothering about... Well, at some point we have to make a tradeoff, between fixing bugs and providing every possible sort of compatibility guarantee. Maybe we can delay as much as possible the choice, maybe this PR will be a turning point. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23767