File: dangling-alloc-id-ice.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 (18 lines) | stat: -rw-r--r-- 657 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
// https://github.com/rust-lang/rust/issues/55223
// Strip out raw byte dumps to make comparison platform-independent:
//@ normalize-stderr: "(the raw bytes of the constant) \(size: [0-9]*, align: [0-9]*\)" -> "$1 (size: $$SIZE, align: $$ALIGN)"
//@ normalize-stderr: "([0-9a-f][0-9a-f] |╾─*A(LLOC)?[0-9]+(\+[a-z0-9]+)?(<imm>)?─*╼ )+ *│.*" -> "HEX_DUMP"
//@ normalize-stderr: "HEX_DUMP\s*\n\s*HEX_DUMP" -> "HEX_DUMP"

union Foo<'a> {
    y: &'a (),
    long_live_the_unit: &'static (),
}

const FOO: &() = {
    //~^ ERROR it is undefined behavior to use this value
    let y = ();
    unsafe { Foo { y: &y }.long_live_the_unit }
};

fn main() {}