a.cpp

#include <iostream>

struct A {
  int a;

  const A operator*(const A& other) const {
    std::cout << "A1: " << this->a << " A2: " << other.a << "\n";
    return *this;
  }
};

int main() {
  A T{1};
  A b{2};

  T* b;
  return 0;
}

output

$ g++ a.cpp && ./a.out
A1: 1 A2: 2