| // Simplified regression test for #30438, inspired by arielb1. |
| |
| trait Trait { type Out; } |
| |
| struct Test<'a> { s: &'a str } |
| |
| fn silly<'y, 'z>(_s: &'y Test<'z>) -> &'y <Test<'z> as Trait>::Out where 'z: 'static { |
| let x = Test { s: "this cannot last" }; |
| &x |
| //~^ ERROR: cannot return reference to local variable `x` |
| } |
| |
| impl<'b> Trait for Test<'b> { type Out = Test<'b>; } |
| |
| fn main() { |
| let orig = Test { s: "Hello World" }; |
| let r = silly(&orig); |
| println!("{}", orig.s); // OK since `orig` is valid |
| println!("{}", r.s); // Segfault (method does not return a sane value) |
| } |
