a5cb9afad8
Test was added in PR #84404. The intent here is: The `copy`/`copy_overlapping` intrinsics are going through some flip-flopping now of "are they intrinsics or not". We can achieve the same effect that the test intended by using `likely`/`unlikely`.
24 lines
450 B
Rust
24 lines
450 B
Rust
// check-fail
|
|
|
|
#![feature(core_intrinsics, intrinsics)]
|
|
|
|
fn a() {
|
|
let _: unsafe extern "rust-intrinsic" fn(isize) -> usize = std::mem::transmute;
|
|
//~^ ERROR cannot coerce
|
|
}
|
|
|
|
fn b() {
|
|
let _ = std::mem::transmute as unsafe extern "rust-intrinsic" fn(isize) -> usize;
|
|
//~^ ERROR casting
|
|
}
|
|
|
|
fn c() {
|
|
let _ = [
|
|
std::intrinsics::likely,
|
|
std::intrinsics::unlikely,
|
|
//~^ ERROR cannot coerce
|
|
];
|
|
}
|
|
|
|
fn main() {}
|