g++ doesn't find the right ctor

Matthias Kretz Matthias.Kretz@kip.uni-heidelberg.de
Fri Sep 11 21:40:00 GMT 2009


Hi!

On Friday 11 September 2009 23:31:07 Kalle Olavi Niemitalo wrote:
> int main()
> {
>     B b;
>     float* B::*p = &B::f;
>     const float* B::*q = p; /* luckily not allowed */
>     b.*q = &c; /* modifies b.f */
>     *b.f = 1; /* tries to modify c, raises SIGSEGV */
> }
>
> which perhaps is less likely than inadvertently dereferencing a
> pointer that points to freed memory, but still.

Thank you very much for that example. Now I understand it! :)

Regards,
	Matthias



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