// 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() {} |