rust/tests/ui/reify-intrinsic.rs

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//@ 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 _: [unsafe extern "rust-intrinsic" fn(bool) -> bool; 2] = [
std::intrinsics::likely, //~ ERROR cannot coerce
std::intrinsics::unlikely,
];
}
fn main() {}