| // Original regression test for Issue #30438. |
| |
| use std::ops::Index; |
| |
| struct Test<'a> { |
| s: &'a String |
| } |
| |
| impl <'a> Index<usize> for Test<'a> { |
| type Output = Test<'a>; |
| fn index(&self, _: usize) -> &Self::Output { |
| return &Test { s: &self.s}; |
| //~^ ERROR: cannot return reference to temporary value |
| } |
| } |
| |
| fn main() { |
| let s = "Hello World".to_string(); |
| let test = Test{s: &s}; |
| let r = &test[0]; |
| println!("{}", test.s); // OK since test is valid |
| println!("{}", r.s); // Segfault since value pointed by r has already been dropped |
| } |
