Test: int_overflow.cpp
int_overflow.cpp: In member function 'int PriceCalculator::calculateTotal(int, int)':
int_overflow.cpp:8:50: error: 'numeric_limits' is not a member of 'std'
    8 |         if (pricePerUnit > 0 && quantity > (std::numeric_limits<int>::max() / pricePerUnit)) {
      |                                                  ^~~~~~~~~~~~~~
int_overflow.cpp:8:65: error: expected primary-expression before 'int'
    8 |         if (pricePerUnit > 0 && quantity > (std::numeric_limits<int>::max() / pricePerUnit)) {
      |                                                                 ^~~
int_overflow.cpp:8:65: error: expected ')' before 'int'
int_overflow.cpp:8:44: note: to match this '('
    8 |         if (pricePerUnit > 0 && quantity > (std::numeric_limits<int>::max() / pricePerUnit)) {
      |                                            ^
int_overflow.cpp:12:9: error: expected ')' before 'return'
   12 |         return pricePerUnit * quantity;  // Safe multiplication
      |         ^~~~~~
int_overflow.cpp:8:12: note: to match this '('
    8 |         if (pricePerUnit > 0 && quantity > (std::numeric_limits<int>::max() / pricePerUnit)) {
      |            ^
int_overflow.cpp:13:5: warning: no return statement in function returning non-void [-Wreturn-type]
   13 |     }
      |     ^