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// 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 {
//~^ WARN unnecessary lifetime parameter `'z`
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)
}
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