| error: any use of this value will cause an error |
| --> $DIR/transmute-size-mismatch-before-typeck.rs:15:29 |
| | |
| LL | const ZST: &[u8] = unsafe { std::mem::transmute(1usize) }; |
| | ----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^--- |
| | | |
| | transmuting `usize` to `&[u8]` is not possible, because these types do not have the same size |
| | |
| = note: `#[deny(const_err)]` on by default |
| = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! |
| = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> |
| |
| error: could not evaluate constant pattern |
| --> $DIR/transmute-size-mismatch-before-typeck.rs:10:9 |
| | |
| LL | ZST => {} |
| | ^^^ |
| |
| error[E0512]: cannot transmute between types of different sizes, or dependently-sized types |
| --> $DIR/transmute-size-mismatch-before-typeck.rs:15:29 |
| | |
| LL | const ZST: &[u8] = unsafe { std::mem::transmute(1usize) }; |
| | ^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: source type: `usize` (word size) |
| = note: target type: `&[u8]` (2 * word size) |
| |
| error: could not evaluate constant pattern |
| --> $DIR/transmute-size-mismatch-before-typeck.rs:10:9 |
| | |
| LL | ZST => {} |
| | ^^^ |
| |
| error: aborting due to 4 previous errors |
| |
| For more information about this error, try `rustc --explain E0512`. |