File: intrinsic-raw_eq-const-bad.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (24 lines) | stat: -rw-r--r-- 615 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
#![feature(core_intrinsics)]

const RAW_EQ_PADDING: bool = unsafe {
    std::intrinsics::raw_eq(&(1_u8, 2_u16), &(1_u8, 2_u16))
//~^ ERROR evaluation of constant value failed
//~| requires initialized memory
};

const RAW_EQ_PTR: bool = unsafe {
    std::intrinsics::raw_eq(&(&0), &(&1))
//~^ ERROR evaluation of constant value failed
//~| unable to turn pointer into integer
};

const RAW_EQ_NOT_ALIGNED: bool = unsafe {
    let arr = [0u8; 4];
    let aref = &*arr.as_ptr().cast::<i32>();
    std::intrinsics::raw_eq(aref, aref)
//~^ ERROR evaluation of constant value failed
//~| alignment
};

pub fn main() {
}