| // note-pattern: first defined in crate `std`. | |
| // Test for issue #31788 and E0152 | |
| #![feature(lang_items)] | |
| use std::panic::PanicInfo; | |
| #[lang = "panic_impl"] | |
| fn panic_impl(info: &PanicInfo) -> ! { | |
| //~^ ERROR: duplicate lang item found: `panic_impl`. | |
| loop {} | |
| } | |
| fn main() {} |