rust/tests/ui/intrinsics/intrinsic-raw_eq-const-bad.rs

25 lines
615 B
Rust

#![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() {
}