rust/tests/compile-fail/deref_fn_ptr.rs

fn f() {}

fn main() {
    let x: u8 = unsafe {
        *std::mem::transmute::<fn(), *const u8>(f) //~ ERROR constant evaluation error: tried to dereference a function pointer
    };
    panic!("this should never print: {}", x);
}
add tests for fn pointers 2016-06-13 12:29:01 +02:00			`fn f() {}`

don't use `#[miri_run]` anymore, but execute the `main` function 2016-06-13 14:27:05 +02:00			`fn main() {`
fix for fn allocations now having an alignment (1) and a size (0) 2018-10-08 13:35:54 +02:00			`let x: u8 = unsafe {`
			`std::mem::transmute::<fn(), const u8>(f) //~ ERROR constant evaluation error: tried to dereference a function pointer`
don't use `#[miri_run]` anymore, but execute the `main` function 2016-06-13 14:27:05 +02:00			`};`
			`panic!("this should never print: {}", x);`
add tests for fn pointers 2016-06-13 12:29:01 +02:00			`}`