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Re: libstdc++/9828: Regression: Segmentation fault in num_put::put


>> Another is that locales carry the cache info to avoid this problem.

Yes. This is what I'd really prefer. That way the cache is available to
everybody, not just the io code.

>I think this might be the best solution; it is very common to
>create a stringstream just to format one number (see for
>example boost::lexical_cast or operator<<(ostream&, complex&)).
>Storing the cache in the locale would allow such code to take
>advantage of the caches.
>
>It should be easy to implement this using the same techniques
>as are used for storing facets in locales.

Yep. This is what I was talking about when this first went in, abit very
vaguely. If you could do something like has_cache/use_cache as analogues
to has_facet/has_cache I think we'll be better off.

-benjamin


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