rust/tests/ui/consts/const-eval/partial_ptr_overwrite.rs
2024-09-15 09:51:32 +02:00

14 lines
332 B
Rust

// Test for the behavior described in <https://github.com/rust-lang/rust/issues/87184>.
const PARTIAL_OVERWRITE: () = {
let mut p = &42;
unsafe {
let ptr: *mut _ = &mut p;
*(ptr as *mut u8) = 123; //~ ERROR constant
//~| unable to overwrite parts of a pointer
}
let x = *p;
};
fn main() {}