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error[E0080]: it is undefined behavior to use this value
--> $DIR/union-ub.rs:33:1
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LL | const BAD_BOOL: bool = unsafe { DummyUnion { u8: 42 }.bool};
| ^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered 0x2a, but expected a boolean
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= 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.
= note: the raw bytes of the constant (size: 1, align: 1) {
2a │ *
}
error[E0080]: it is undefined behavior to use this value
--> $DIR/union-ub.rs:35:1
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LL | const UNINIT_BOOL: bool = unsafe { DummyUnion { unit: () }.bool};
| ^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered uninitialized bytes, but expected a boolean
|
= 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.
= note: the raw bytes of the constant (size: 1, align: 1) {
__ │ ░
}
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0080`.
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