| // { dg-do assemble } |
| class X // Indentation has been done so to see the similarities. |
| { |
| public: |
| X() {} |
| X(X& x) {x.i=7;} // { dg-message "note" "" { target c++14_down } } Both functions modify the |
| void bar(X& x) {x.i=7;} // { dg-message "note" } reference parameter x. |
| int i; |
| }; |
| |
| X foo() { X x; return x; } // { dg-error "cannot bind non-const lvalue reference" "" { target c++23 } } |
| |
| int main() |
| { |
| X x(foo()); // { dg-error "rvalue" "" { target c++14_down } } Compiler doesn't warn about temporary reference. |
| x.bar(foo()); // { dg-error "rvalue" } The same mistake is warned about in this case. |
| } |
