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Re: [Patch] libstdc++/14493
Howard Hinnant <hhinnant@apple.com> writes:
| On Jan 30, 2007, at 1:46 PM, Paolo Carlini wrote:
|
| > Paolo Carlini wrote:
| >
| >> Well, I may agree, in principle. However, all the existing
| >> std::bad_alloc, bad_cast, bad_typeid, bad_exception, and exception
| >> symbols were already exported together with the other generic
| >> library symbols, see for example the entry std::ba[a-r]* which I'm
| >> commenting out.
| >
| > Oh, yes, another data point, maybe obvious to you: the various
| > operator new and delete, also strictly speaking declared and defined
| > in libsupc++, are also exported together with the other generic
| > library symbols, now maybe the whole picture makes more sense to
| > me...
| >
| > Paolo.
|
| ABI concerns? Say a client that derived from bad_alloc and overloaded
| what()? Wouldn't his what() get corrupted (call the wrong what())?
Why would it?
If it is an *overload*, then this patch will not change the overload set.
If it is an *overriding*, the overrider from the client's what() will get
called, because it is the overrider from the most derived class.
-- Gaby