[rustc.git] / src / test / run-pass / out-pointer-aliasing.rs

#[derive(Copy, Clone)]
pub struct Foo {
    f1: isize,
    _f2: isize,
}

#[inline(never)]
pub fn foo(f: &mut Foo) -> Foo {
    let ret = *f;
    f.f1 = 0;
    ret
}

pub fn main() {
    let mut f = Foo {
        f1: 8,
        _f2: 9,
    };
    f = foo(&mut f);
    assert_eq!(f.f1, 8);
}
Commit	Line	Data
c34b1796	1	#[derive(Copy, Clone)]
1a4d82fc	2	pub struct Foo {
c34b1796 AL	3	f1: isize,
c34b1796 AL	4	_f2: isize,
223e47cc LB	5	}
223e47cc LB	6
1a4d82fc JJ	7	#[inline(never)]
	8	pub fn foo(f: &mut Foo) -> Foo {
	9	let ret = *f;
	10	f.f1 = 0;
	11	ret
223e47cc LB	12	}
	13
	14	pub fn main() {
1a4d82fc JJ	15	let mut f = Foo {
	16	f1: 8,
	17	_f2: 9,
223e47cc	18	};
1a4d82fc JJ	19	f = foo(&mut f);
1a4d82fc JJ	20	assert_eq!(f.f1, 8);
223e47cc	21	}