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remove untagged_union feature gate

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Ralf Jung 2022-06-29 22:33:18 -04:00
parent 6dfede3b9d
commit 5bf6017b87
57 changed files with 386 additions and 449 deletions
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7
compiler/rustc_feature/src/active.rs
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@ -525,13 +525,6 @@ declare_features! (
(incomplete, unsized_locals, "1.30.0", Some(48055), None),
/// Allows unsized tuple coercion.
(active, unsized_tuple_coercion, "1.20.0", Some(42877), None),
/// Allows `union`s to implement `Drop`. Moreover, `union`s may now include fields
/// that don't implement `Copy` as long as they don't have any drop glue.
/// This is checked recursively. On encountering type variable where no progress can be made,
/// `T: Copy` is used as a substitute for "no drop glue".
///
/// NOTE: A limited form of `union U { ... }` was accepted in 1.19.0.
(active, untagged_unions, "1.13.0", Some(55149), None),
/// Allows using the `#[used(linker)]` (or `#[used(compiler)]`) attribute.
(active, used_with_arg, "1.60.0", Some(93798), None),
/// Allows `extern "wasm" fn`