// regression test for #141758 //@ run-rustfix //@ check-pass #![warn(unused_lifetimes)] #![allow(incomplete_features, unused_imports, dead_code)] #![feature(unsafe_binders)] use std::unsafe_binder::unwrap_binder; #[derive(Copy, Clone)] pub struct S([usize; 8]); // Regression test for . pub fn by_value(_x: S) -> usize { //~^ WARN lifetime parameter `'a` never used 0 } fn main() {}