Test: int_overflow.cpp
int_overflow.cpp: In member function 'int PriceCalculator::calculateTotal(int, int)':
int_overflow.cpp:8:44: error: 'INT_MAX' was not declared in this scope
    8 |         if (pricePerUnit > 0 && quantity > INT_MAX / pricePerUnit) return -1; return pricePerUnit * quantity;
      |                                            ^~~~~~~
int_overflow.cpp:2:1: note: 'INT_MAX' is defined in header '<climits>'; did you forget to '#include <climits>'?
    1 | #include <iostream>
  +++ |+#include <climits>
    2 |