summaryrefslogtreecommitdiffstats
path: root/src/test/ui/error-codes/E0396.rs
blob: 4415b70e75ec354227fbfdbd1c268b7877e54118 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
const REG_ADDR: *mut u8 = 0x5f3759df as *mut u8;

const VALUE: u8 = unsafe { *REG_ADDR };
//~^ ERROR dereferencing raw mutable pointers in constants is unstable

const unsafe fn unreachable() -> ! {
    use std::convert::Infallible;

    const INFALLIBLE: *mut Infallible = &[] as *const [Infallible] as *const _ as _;
    match *INFALLIBLE {}
    //~^ ERROR dereferencing raw mutable pointers in constant functions is unstable

    const BAD: () = unsafe { match *INFALLIBLE {} };
    //~^ ERROR dereferencing raw mutable pointers in constants is unstable
}

fn main() {
}