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Updated code for changes to RFC, added additional error handling, added

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tests
This commit is contained in:
Florian Schmiderer 2024-05-02 23:19:02 +02:00
parent 9b0ae75ecc
commit 7c56398e91
18 changed files with 312 additions and 79 deletions
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10
compiler/rustc_feature/src/builtin_attrs.rs
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@ -584,12 +584,12 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
pointee, Normal, template!(Word), ErrorFollowing,
EncodeCrossCrate::No, derive_smart_pointer, experimental!(pointee)
),
// FIXME RFC
// `#[patchable_function_entry(prefix(n), entry(n))]`
// RFC 3543
// `#[patchable_function_entry(prefix_nops = m, entry_nops = n)]`
gated!(
patchable_function_entry, Normal, template!(List: "prefix(n), entry(n)"), ErrorPreceding,
experimental!(patchable_function_entry)
patchable_function_entry, Normal, template!(List: "prefix_nops = m, entry_nops = n"), ErrorPreceding,
EncodeCrossCrate::Yes, experimental!(patchable_function_entry)
),
// ==========================================================================

3
compiler/rustc_feature/src/unstable.rs
View file

@ -566,8 +566,7 @@ declare_features! (
/// Allows using `#[optimize(X)]`.
(unstable, optimize_attribute, "1.34.0", Some(54882)),
/// Allows specifying nop padding on functions for dynamic patching.
// FIXME this needs an RFC #
(unstable, patchable_function_entry, "CURRENT_RUSTC_VERSION", Some(9999)),
(unstable, patchable_function_entry, "CURRENT_RUSTC_VERSION", Some(123115)),
/// Allows postfix match `expr.match { ... }`
(unstable, postfix_match, "1.79.0", Some(121618)),
/// Allows `use<'a, 'b, A, B>` in `impl Trait + use<...>` for precise capture of generic args.