| 1 | // This structure has a non-trivial copy constructor so |
|---|---|
| 2 | // it needs to be passed by reference. |
| 3 | struct PassByRef { |
| 4 | PassByRef() = default; |
| 5 | PassByRef(const PassByRef &p){x = p.x;}; |
| 6 | |
| 7 | int x = 11223344; |
| 8 | }; |
| 9 | |
| 10 | PassByRef returnPassByRef() { return PassByRef(); } |
| 11 | int takePassByRef(PassByRef p) { |
| 12 | return p.x; |
| 13 | } |
| 14 | |
| 15 | int main() { |
| 16 | PassByRef p = returnPassByRef(); |
| 17 | p.x = 42; |
| 18 | return takePassByRef(p); // break here |
| 19 | } |
| 20 |