File: dangling_raw_ptr.rs

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 934,128 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (29 lines) | stat: -rw-r--r-- 663 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
const FOO: *const u32 = {
    //~^ ERROR encountered dangling pointer in final value of constant
    let x = 42;
    &x
};

union Union {
    ptr: *const u32,
}

const BAR: Union = {
    //~^ ERROR encountered dangling pointer in final value of constant
    let x = 42;
    Union { ptr: &x }
};

const BAZ: Union = {
    //~^ ERROR encountered dangling pointer in final value of constant
    let x = 42_u32;
    Union { ptr: &(&x as *const u32) as *const *const u32 as _ }
};

const FOOMP: *const u32 = {
    //~^ ERROR encountered dangling pointer in final value of constant
    let x = 42_u32;
    &(&x as *const u32) as *const *const u32 as _
};

fn main() {}