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// revisions: e2021 e2024
// [e2021] edition:2021
// [e2024] compile-flags: --edition 2024 -Z unstable-options
#![deny(static_mut_refs)]
use std::ptr::{addr_of, addr_of_mut};
fn main() {
static mut X: i32 = 1;
static mut Y: i32 = 1;
unsafe {
let _y = &X;
//[e2024]~^ ERROR creating a shared reference to a mutable static [E0796]
//[e2021]~^^ ERROR shared reference to mutable static is discouraged [static_mut_refs]
let _y = &mut X;
//[e2024]~^ ERROR creating a mutable reference to a mutable static [E0796]
//[e2021]~^^ ERROR mutable reference to mutable static is discouraged [static_mut_refs]
let _z = addr_of_mut!(X);
let _p = addr_of!(X);
let ref _a = X;
//[e2024]~^ ERROR creating a shared reference to a mutable static [E0796]
//[e2021]~^^ ERROR shared reference to mutable static is discouraged [static_mut_refs]
let (_b, _c) = (&X, &Y);
//[e2024]~^ ERROR creating a shared reference to a mutable static [E0796]
//[e2021]~^^ ERROR shared reference to mutable static is discouraged [static_mut_refs]
//[e2024]~^^^ ERROR creating a shared reference to a mutable static [E0796]
//[e2021]~^^^^ ERROR shared reference to mutable static is discouraged [static_mut_refs]
foo(&X);
//[e2024]~^ ERROR creating a shared reference to a mutable static [E0796]
//[e2021]~^^ ERROR shared reference to mutable static is discouraged [static_mut_refs]
static mut Z: &[i32; 3] = &[0, 1, 2];
let _ = Z.len();
let _ = Z[0];
let _ = format!("{:?}", Z);
}
}
fn foo<'a>(_x: &'a i32) {}
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