[rustc.git] / src / test / ui / consts / promotion-mutable-ref.rs

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

static mut TEST: i32 = {
    // We must not promote this, as CTFE needs to be able to mutate it later.
    let x = &mut [1,2,3];
    x[0] += 1;
    x[0]
};

// This still works -- it's not done via promotion.
#[allow(unused)]
static mut TEST2: &'static mut [i32] = &mut [0,1,2];

fn main() {
    assert_eq!(unsafe { TEST }, 2);
}
Commit	Line	Data
1b1a35ee XL	1	// run-pass
	2	#![feature(const_mut_refs)]
	3
	4	static mut TEST: i32 = {
	5	// We must not promote this, as CTFE needs to be able to mutate it later.
	6	let x = &mut [1,2,3];
	7	x[0] += 1;
	8	x[0]
	9	};
	10
	11	// This still works -- it's not done via promotion.
	12	#[allow(unused)]
	13	static mut TEST2: &'static mut [i32] = &mut [0,1,2];
	14
	15	fn main() {
	16	assert_eq!(unsafe { TEST }, 2);
	17	}