rust/tests/compile-fail/deref_fn_ptr.rs

10 lines
258 B
Rust

fn f() {}
fn main() {
let x: i32 = unsafe {
*std::mem::transmute::<fn(), *const i32>(f) //~ ERROR constant evaluation error [E0080]
//~^ NOTE tried to dereference a function pointer
};
panic!("this should never print: {}", x);
}