rust/tests/ui/reify-intrinsic.rs

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() {}