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) -> !13fn panic(info: &PanicInfo) -> ! { 14 //~^ ERROR found duplicate lang item `panic_impl` 15 loop {} 16 } 17 18 #[lang = "eh_personality"] eh()19fn eh() {} 20