//@ normalize-stderr-test "loaded from .*libstd-.*.rlib" -> "loaded from SYSROOT/libstd-*.rlib" // 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: found duplicate lang item `panic_impl` loop {} } fn main() {}