rust/tests/mir-opt/address_of.rs
2023-10-19 15:51:52 +00:00

49 lines
1.1 KiB
Rust

// skip-filecheck
// EMIT_MIR address_of.address_of_reborrow.SimplifyCfg-initial.after.mir
fn address_of_reborrow() {
let y = &[0; 10];
let mut z = &mut [0; 10];
y as *const _;
y as *const [i32; 10];
y as *const dyn Send;
y as *const [i32];
y as *const i32; // This is a cast, not a coercion
let p: *const _ = y;
let p: *const [i32; 10] = y;
let p: *const dyn Send = y;
let p: *const [i32] = y;
z as *const _;
z as *const [i32; 10];
z as *const dyn Send;
z as *const [i32];
let p: *const _ = z;
let p: *const [i32; 10] = z;
let p: *const dyn Send = z;
let p: *const [i32] = z;
z as *mut _;
z as *mut [i32; 10];
z as *mut dyn Send;
z as *mut [i32];
let p: *mut _ = z;
let p: *mut [i32; 10] = z;
let p: *mut dyn Send = z;
let p: *mut [i32] = z;
}
// The normal borrows here should be preserved
// EMIT_MIR address_of.borrow_and_cast.SimplifyCfg-initial.after.mir
fn borrow_and_cast(mut x: i32) {
let p = &x as *const i32;
let q = &mut x as *const i32;
let r = &mut x as *mut i32;
}
fn main() {}