31 lines
878 B
Rust
31 lines
878 B
Rust
|
//@no-rustfix
|
||
|
|
|
||
|
|
#![deny(clippy::transmute_ptr_to_ptr)]
|
||
|
|
#![allow(dead_code)]
|
||
|
|
#![feature(lang_items)]
|
||
|
|
#![no_std]
|
||
|
|
|
||
|
|
use core::panic::PanicInfo;
|
||
|
|
|
||
|
|
#[lang = "eh_personality"]
|
||
|
|
extern "C" fn eh_personality() {}
|
||
|
|
|
||
|
|
#[panic_handler]
|
||
|
|
fn panic(info: &PanicInfo) -> ! {
|
||
|
|
loop {}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
unsafe {
|
||
|
|
let single_u64: &[u64] = &[0xDEAD_BEEF_DEAD_BEEF];
|
||
|
|
let bools: &[bool] = unsafe { core::mem::transmute(single_u64) };
|
||
|
|
//~^ ERROR: transmute from a reference to a reference
|
||
|
|
let a: &[u32] = &[0x12345678, 0x90ABCDEF, 0xFEDCBA09, 0x87654321];
|
||
|
|
let b: &[u8] = unsafe { core::mem::transmute(a) };
|
||
|
|
//~^ ERROR: transmute from a reference to a reference
|
||
|
|
let bytes = &[1u8, 2u8, 3u8, 4u8] as &[u8];
|
||
|
|
let alt_slice: &[u32] = unsafe { core::mem::transmute(bytes) };
|
||
|
|
//~^ ERROR: transmute from a reference to a reference
|
||
|
|
}
|
||
|
|
}
|