rust/tests/fail/dangling_pointers/null_pointer_deref.rs

#[allow(deref_nullptr)]
fn main() {
    let x: i32 = unsafe { *std::ptr::null() }; //~ ERROR: null pointer is a dangling pointer
    panic!("this should never print: {}", x);
}
allow deref of null ptr in test 2021-04-15 10:00:39 +02:00			`#[allow(deref_nullptr)]`
don't use `#[miri_run]` anymore, but execute the `main` function 2016-06-13 14:27:05 +02:00			`fn main() {`
require level and colon in `//~` style comments 2022-07-11 11:44:55 +00:00			`let x: i32 = unsafe { *std::ptr::null() }; //~ ERROR: null pointer is a dangling 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);`
			`}`