9ac8b363e3
also share the code that emits the actual error
27 lines
1007 B
Plaintext
27 lines
1007 B
Plaintext
error[E0080]: it is undefined behavior to use this value
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--> $DIR/invalid-union.rs:41:1
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LL | fn main() {
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| ^^^^^^^^^ constructing invalid value at .<deref>.y.<enum-variant(B)>.0: encountered `UnsafeCell` in a `const`
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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.
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= note: the raw bytes of the constant (size: 4, align: 4) {
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╾─alloc7──╼ │ ╾──╼
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}
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note: erroneous constant encountered
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--> $DIR/invalid-union.rs:43:25
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LL | let _: &'static _ = &C;
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| ^^
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note: erroneous constant encountered
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--> $DIR/invalid-union.rs:43:25
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LL | let _: &'static _ = &C;
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| ^^
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0080`.
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