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Support #[patchable_function_entries]

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See [RFC](https://github.com/maurer/rust-rfcs/blob/patchable-function-entry/text/0000-patchable-function-entry.md) (yet to be numbered)

TODO before submission:
* Needs an RFC
* Improve error reporting for malformed attributes
This commit is contained in:
Matthew Maurer
2023-12-12 13:37:04 -08:00
committed by Florian Schmiderer
parent ac7595fdb1
commit 9b0ae75ecc
9 changed files with 83 additions and 4 deletions
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7
compiler/rustc_feature/src/builtin_attrs.rs
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@@ -584,6 +584,13 @@ 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))]`
gated!(
patchable_function_entry, Normal, template!(List: "prefix(n), entry(n)"), ErrorPreceding,
experimental!(patchable_function_entry)
),
// ==========================================================================
// Internal attributes: Stability, deprecation, and unsafe: