Exemplo

class A{
public:
static void * operator new(size_t size, newhandler nh);
};

class B{
public:
static void * operator new(size_t size, newhandler nh);
};


Solução
Forneça os valores padrão para quaisquer parâmetros adicionais ou defina a forma padrão de new.

class A{
public:
static void * operator new(size_t size, newhandler n
h=0);
};


class B{
public:
static void * operator new(size_t size, newhandler nh);
static void * operator new(size_t size){
return ::operator new(size);
}
};