blob: 5009dbcb9bd9cddc1b0982216d37f45dcd94aa62 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
#[repr(C)]
union Bar {
a: &'static u8,
b: usize,
}
const fn bar() -> u8 {
unsafe {
// This will error as long as this test is run on a system whose
// pointers need more than 8 bits.
Bar { a: &42 }.b as u8
}
}
fn main() {
// This will compile, but then hard-abort at runtime.
// FIXME(oli-obk): this should instead panic (not hard-abort) at runtime.
let x: &'static u8 = &(bar() + 1);
//~^ ERROR temporary value dropped while borrowed
let y = *x;
unreachable!();
}
|