mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
18 lines
394 B
Rust
18 lines
394 B
Rust
// revisions: stock mut_refs
|
|
//[mut_refs] check-pass
|
|
|
|
#![cfg_attr(mut_refs, feature(const_mut_refs))]
|
|
|
|
use std::cell::Cell;
|
|
|
|
const FOO: &u32 = {
|
|
let mut a = 42;
|
|
{
|
|
let b: *mut u32 = &mut a; //[stock]~ ERROR mutable references are not allowed in constants
|
|
unsafe { *b = 5; } //[stock]~ ERROR dereferencing raw mutable pointers in constants
|
|
}
|
|
&{a}
|
|
};
|
|
|
|
fn main() {}
|