Thinking more...

#include <iostream>

class SuicideSample {
        public:
                SuicideSample() { std::cout << "ctor." << std::endl; }
                ~SuicideSample() { std::cout << "dtor." << std::endl; }
                void DoIt( void ) { 
                        delete this;
                }
};

int main( int argc, char* argv[] )
{
        SuicideSample* obj=new SuicideSample();
        obj->DoIt();
        // of course, object can kill itself, but if you try to kill it again
        // program will crash.
        //delete obj;
        return 0;
}