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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() {
}
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