| //@ compile-flags:--test | |
| //@ run-pass | |
| //@ needs-unwind | |
| //@ ignore-backends: gcc | |
| use std::fmt; | |
| use std::fmt::{Display, Formatter}; | |
| pub struct A(Vec<u32>); | |
| impl Display for A { | |
| fn fmt(&self, _f: &mut Formatter<'_>) -> fmt::Result { | |
| self.0[0]; | |
| Ok(()) | |
| } | |
| } | |
| #[test] | |
| fn main() { | |
| let result = std::panic::catch_unwind(|| { | |
| let a = A(vec![]); | |
| eprintln!("{}", a); | |
| }); | |
| assert!(result.is_err()); | |
| } |