1 // check-fail
2 
3 #![feature(core_intrinsics, intrinsics)]
4 
a()5 fn a() {
6     let _: unsafe extern "rust-intrinsic" fn(isize) -> usize = std::mem::transmute;
7     //~^ ERROR cannot coerce
8 }
9 
b()10 fn b() {
11     let _ = std::mem::transmute as unsafe extern "rust-intrinsic" fn(isize) -> usize;
12     //~^ ERROR casting
13 }
14 
c()15 fn c() {
16     let _ = [
17         std::intrinsics::likely,
18         std::intrinsics::unlikely,
19         //~^ ERROR cannot coerce
20     ];
21 }
22 
main()23 fn main() {}
24