[Bug libstdc++/23767] std::vector iterator implementation wrong

[pcarlini at suse dot de]

------- 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.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23767