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[rust.git] / tests / compile-fail / function_pointers / cast_box_int_to_fn_ptr.rs
1 // Validation makes this fail in the wrong place
2 // compile-flags: -Zmiri-disable-validation
3
4 fn main() {
5     let b = Box::new(42);
6     let g = unsafe {
7         std::mem::transmute::<&Box<usize>, &fn(i32)>(&b)
8     };
9
10     (*g)(42) //~ ERROR it does not point to a function
11 }