more non-useless destructors desired

[Mark Mitchell]

Paolo Carlini wrote:

> first blush, I believe this change could be doable, because the
> destructors already exist and are exported by the library anyway, only
> as "W" instead of "T". Did you experiment already with actually
> declaring / defining such destructors in stdexcept / stdexcept.cc?

I agree that this should be a safe change, and a good optimization.
Existing applications will have weak definitions, but that's OK -- they
can be linked with a new library which provides strong definitions.

-- 
Mark Mitchell
CodeSourcery
mark@codesourcery.com
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