operator-new-error.cc

#include <cstddef>

void* operator new(size_t size, int dummy) {
  return ::operator new(size);
}

class Class {
 public:
  Class() : x_(0) {}
  void* operator new(size_t size) {
    return ::operator new(size);
  }
 private:
  int x_;
};

int main() {
  Class* k;

 // error: no matching function for call to ‘Class::operator new(long unsigned int, int)’
  k = new(12) Class();

  delete k;

  return 0;
}