src/test/compile-fail/duplicate_entry_error.rs


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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// Test for issue #31788

// error-pattern: duplicate entry for `panic_fmt`, first definition found in `std`

#![feature(lang_items)]

#[lang = "panic_fmt"]
fn panic_fmt() -> ! {
    loop {}
}

fn main() {}