projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| a2a8927a | 1 | error[E0080]: it is undefined behavior to use this value |
| 064997fb | 2 | --> $DIR/invalid-union.rs:41:1 |
| a2a8927a XL |
3 | | |
| 4 | LL | fn main() { | |
| 064997fb | 5 | | ^^^^^^^^^ constructing invalid value at .<deref>.y.<enum-variant(B)>.0: encountered `UnsafeCell` in a `const` |
| a2a8927a XL |
6 | | |
| 7 | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. | |
| 8 | = note: the raw bytes of the constant (size: 8, align: 8) { | |
| 9 | ╾───────alloc7────────╼ │ ╾──────╼ | |
| 10 | } | |
| 11 | ||
| 12 | error: erroneous constant used | |
| 064997fb | 13 | --> $DIR/invalid-union.rs:42:25 |
| a2a8927a XL |
14 | | |
| 15 | LL | let _: &'static _ = &C; | |
| 16 | | ^^ referenced constant has errors | |
| 17 | | | |
| 18 | = note: `#[deny(const_err)]` on by default | |
| 19 | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! | |
| 20 | = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> | |
| 21 | ||
| 22 | error: aborting due to 2 previous errors | |
| 23 | ||
| 24 | For more information about this error, try `rustc --explain E0080`. | |
| 064997fb FG |
25 | Future incompatibility report: Future breakage diagnostic: |
| 26 | error: erroneous constant used | |
| 27 | --> $DIR/invalid-union.rs:42:25 | |
| 28 | | | |
| 29 | LL | let _: &'static _ = &C; | |
| 30 | | ^^ referenced constant has errors | |
| 31 | | | |
| 32 | = note: `#[deny(const_err)]` on by default | |
| 33 | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! | |
| 34 | = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> | |
| 35 |