// Build don't link: // prms-id: 701 extern "C" { int printf(const char *, ...); }; void Munge(int& x) { // ERROR - referenced below x = 2; } class A { public: int i; A(int x) : i(x) {} void Safe() const; }; void A::Safe() const { Munge(i); // ERROR - should not be able to modify a const object } int main() { const A a(1); a.Safe(); }