RFA: Please review the new C++ demangler patch

[Robert Dewar]

> Excuse me, but std::vector is everything except a high-level abstraction. 
> It is C++ was of writing
> 
>    malloc (some number);
>    while (not done) {
>      fiddle with memory;
>      reallaoc (memory, another number);
>    }
>    free (memory);

so why not say so and avoid the problem of using these components. I certainly
agree that vector is not from a *language* point of view high level, but from
an implementation point of view, it certainly is high level.