[rustc.git] / src / test / ui / intrinsics / intrinsic-assume.rs

// run-pass
#![feature(core_intrinsics)]

use std::intrinsics::assume;

unsafe fn f(x: i32) -> i32 {
    assume(x == 34);
    match x {
        34 => 42,
        _  => 30
    }
}

fn main() {
    let x = unsafe { f(34) };
    assert_eq!(x, 42);
}
Commit	Line	Data
b7449926	1	// run-pass
62682a34	2	#![feature(core_intrinsics)]
c34b1796	3
1a4d82fc	4	use std::intrinsics::assume;
223e47cc	5
1a4d82fc JJ	6	unsafe fn f(x: i32) -> i32 {
	7	assume(x == 34);
	8	match x {
	9	34 => 42,
	10	_ => 30
223e47cc LB	11	}
	12	}
	13
	14	fn main() {
1a4d82fc JJ	15	let x = unsafe { f(34) };
1a4d82fc JJ	16	assert_eq!(x, 42);
223e47cc	17	}