rust/tests/fail/invalid_char.rs
2022-06-01 10:53:38 -04:00

11 lines
441 B
Rust

// Validation makes this fail in the wrong place
// Make sure we find these even with many checks disabled.
// compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation
fn main() {
let c = 0xFFFFFFu32;
assert!(std::char::from_u32(c).is_none());
let c = unsafe { std::mem::transmute::<u32, char>(c) };
let _x = c == 'x'; //~ ERROR interpreting an invalid 32-bit value as a char
}