1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
#![feature(start, core_intrinsics, lang_items)]
#![no_std]
#![allow(internal_features)]
#[link(name = "c")]
extern {}
#[panic_handler]
fn panic_handler(_: &core::panic::PanicInfo<'_>) -> ! {
core::intrinsics::abort();
}
#[lang="eh_personality"]
fn eh_personality(){}
// Required for rustc_codegen_llvm
#[no_mangle]
unsafe extern "C" fn _Unwind_Resume() {
core::intrinsics::unreachable();
}
#[start]
fn main(_argc: isize, _argv: *const *const u8) -> isize {
for i in 2..100_000_000 {
black_box((i + 1) % i);
}
0
}
#[inline(never)]
fn black_box(i: u32) {
if i != 1 {
core::intrinsics::abort();
}
}
|
