Files
rust/src/test/run-pass/thinlto/weak-works.rs
T
2018-07-09 11:35:52 +02:00

37 lines
816 B
Rust

// 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.
// compile-flags: -C codegen-units=8 -Z thinlto
// ignore-windows
#![feature(linkage)]
pub mod foo {
#[linkage = "weak"]
#[no_mangle]
pub extern "C" fn FOO() -> i32 {
0
}
}
mod bar {
extern "C" {
fn FOO() -> i32;
}
pub fn bar() -> i32 {
unsafe { FOO() }
}
}
fn main() {
bar::bar();
}