rust/compiler/rustc_codegen_gcc/tests/run/slice.rs

38 lines
571 B
Rust

// Compiler:
//
// Run-time:
// status: 0
// stdout: 5
#![feature(no_core)]
#![no_std]
#![no_core]
#![no_main]
extern crate mini_core;
mod libc {
#[link(name = "c")]
extern "C" {
pub fn printf(format: *const i8, ...) -> i32;
}
}
static mut TWO: usize = 2;
fn index_slice(s: &[u32]) -> u32 {
unsafe {
s[TWO]
}
}
#[no_mangle]
extern "C" fn main(argc: i32, _argv: *const *const u8) -> i32 {
let array = [42, 7, 5];
unsafe {
libc::printf(b"%ld\n\0" as *const u8 as *const i8, index_slice(&array));
}
0
}