src/test/run-pass/debuginfo-lto.rs

// Copyright 2017 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.

// This test case makes sure that we don't run into LLVM's dreaded
// "possible ODR violation" assertion when compiling with LTO + Debuginfo.
// It covers cases that have traditionally been prone to cause this error.
// If new cases emerge, add them to this file.

// aux-build:debuginfo-lto-aux.rs
// compile-flags: -C lto -g
// no-prefer-dynamic

extern crate debuginfo_lto_aux;

fn some_fn(x: i32) -> i32 {
    x + 1
}

fn main() {
    let i = 0;
    let _ = debuginfo_lto_aux::mk_struct_with_lt(&i);
    let _ = debuginfo_lto_aux::mk_regular_struct(1);
    let _ = debuginfo_lto_aux::take_fn(some_fn, 1);
    let _ = debuginfo_lto_aux::with_closure(22);
    let _ = debuginfo_lto_aux::generic_fn(0f32);
}