1 // dont-check-compiler-stderr
2 // aux-build:some-panic-impl.rs
3 
4 #![feature(lang_items)]
5 #![no_std]
6 #![no_main]
7 
8 extern crate some_panic_impl;
9 
10 use core::panic::PanicInfo;
11 
12 #[panic_handler]
panic(info: &PanicInfo) -> !13 fn panic(info: &PanicInfo) -> ! {
14     //~^ ERROR found duplicate lang item `panic_impl`
15     loop {}
16 }
17 
18 #[lang = "eh_personality"]
eh()19 fn eh() {}
20