remove 'static in some places

compiler/rustc_attr_parsing/src/attributes/allow_unstable.rs

@@ -10,7 +10,7 @@ use crate::session_diagnostics;
 
 pub(crate) struct AllowInternalUnstableParser;
 impl<S: Stage> CombineAttributeParser<S> for AllowInternalUnstableParser {
-    const PATH: &'static [Symbol] = &[sym::allow_internal_unstable];
+    const PATH: &[Symbol] = &[sym::allow_internal_unstable];
     type Item = (Symbol, Span);
     const CONVERT: ConvertFn<Self::Item> = AttributeKind::AllowInternalUnstable;
 
@@ -26,7 +26,7 @@ impl<S: Stage> CombineAttributeParser<S> for AllowInternalUnstableParser {
 
 pub(crate) struct AllowConstFnUnstableParser;
 impl<S: Stage> CombineAttributeParser<S> for AllowConstFnUnstableParser {
-    const PATH: &'static [Symbol] = &[sym::rustc_allow_const_fn_unstable];
+    const PATH: &[Symbol] = &[sym::rustc_allow_const_fn_unstable];
     type Item = Symbol;
     const CONVERT: ConvertFn<Self::Item> = AttributeKind::AllowConstFnUnstable;
 

compiler/rustc_attr_parsing/src/attributes/deprecation.rs

@@ -42,7 +42,7 @@ fn get<S: Stage>(
 }
 
 impl<S: Stage> SingleAttributeParser<S> for DeprecationParser {
-    const PATH: &'static [Symbol] = &[sym::deprecated];
+    const PATH: &[Symbol] = &[sym::deprecated];
     const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepFirst;
     const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error;
 

compiler/rustc_attr_parsing/src/attributes/mod.rs

@@ -12,7 +12,7 @@
 //! - [`CombineAttributeParser`]: makes it easy to implement an attribute which should combine the
 //! contents of attributes, if an attribute appear multiple times in a list
 //!
-//! Attributes should be added to [`ATTRIBUTE_PARSERS`](crate::context::ATTRIBUTE_PARSERS) to be parsed.
+//! Attributes should be added to `crate::context::ATTRIBUTE_PARSERS` to be parsed.
 
 use std::marker::PhantomData;
 
@@ -83,7 +83,7 @@ pub(crate) trait AttributeParser<S: Stage>: Default + 'static {
 /// [`SingleAttributeParser`] can only convert attributes one-to-one, and cannot combine multiple
 /// attributes together like is necessary for `#[stable()]` and `#[unstable()]` for example.
 pub(crate) trait SingleAttributeParser<S: Stage>: 'static {
-    const PATH: &'static [Symbol];
+    const PATH: &[Symbol];
     const ATTRIBUTE_ORDER: AttributeOrder;
     const ON_DUPLICATE: OnDuplicate<S>;
 
@@ -151,7 +151,7 @@ pub(crate) enum OnDuplicate<S: Stage> {
     /// Custom function called when a duplicate attribute is found.
     ///
     /// - `unused` is the span of the attribute that was unused or bad because of some
-    ///   duplicate reason (see [`AttributeDuplicates`])
+    ///   duplicate reason (see [`AttributeOrder`])
     /// - `used` is the span of the attribute that was used in favor of the unused attribute
     Custom(fn(cx: &AcceptContext<'_, '_, S>, used: Span, unused: Span)),
 }
@@ -217,7 +217,7 @@ type ConvertFn<E> = fn(ThinVec<E>) -> AttributeKind;
 /// [`CombineAttributeParser`] can only convert a single kind of attribute, and cannot combine multiple
 /// attributes together like is necessary for `#[stable()]` and `#[unstable()]` for example.
 pub(crate) trait CombineAttributeParser<S: Stage>: 'static {
-    const PATH: &'static [Symbol];
+    const PATH: &[rustc_span::Symbol];
 
     type Item;
     const CONVERT: ConvertFn<Self::Item>;

compiler/rustc_attr_parsing/src/attributes/repr.rs

@@ -21,7 +21,7 @@ pub(crate) struct ReprParser;
 
 impl<S: Stage> CombineAttributeParser<S> for ReprParser {
     type Item = (ReprAttr, Span);
-    const PATH: &'static [Symbol] = &[sym::repr];
+    const PATH: &[Symbol] = &[sym::repr];
     const CONVERT: ConvertFn<Self::Item> = AttributeKind::Repr;
 
     fn extend<'c>(

compiler/rustc_attr_parsing/src/attributes/stability.rs

@@ -117,7 +117,7 @@ impl<S: Stage> AttributeParser<S> for BodyStabilityParser {
 pub(crate) struct ConstStabilityIndirectParser;
 // FIXME(jdonszelmann): single word attribute group when we have these
 impl<S: Stage> SingleAttributeParser<S> for ConstStabilityIndirectParser {
-    const PATH: &'static [Symbol] = &[sym::rustc_const_stable_indirect];
+    const PATH: &[Symbol] = &[sym::rustc_const_stable_indirect];
     const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepFirst;
     const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Ignore;
 

compiler/rustc_attr_parsing/src/attributes/transparency.rs

@@ -2,8 +2,8 @@ use rustc_attr_data_structures::AttributeKind;
 use rustc_span::hygiene::Transparency;
 use rustc_span::{Symbol, sym};
 
-use super::{AcceptContext, AttributeOrder, OnDuplicate, SingleAttributeParser};
-use crate::context::Stage;
+use super::{AttributeOrder, OnDuplicate, SingleAttributeParser};
+use crate::context::{AcceptContext, Stage};
 use crate::parser::ArgParser;
 
 pub(crate) struct TransparencyParser;

compiler/rustc_attr_parsing/src/lib.rs

@@ -62,7 +62,7 @@
 //! a "stability" of an item. So, the stability attribute has an
 //! [`AttributeParser`](attributes::AttributeParser) that recognizes both the `#[stable()]`
 //! and `#[unstable()]` syntactic attributes, and at the end produce a single
-//! [`AttributeKind::Stability`].
+//! [`AttributeKind::Stability`](rustc_attr_data_structures::AttributeKind::Stability).
 //!
 //! When multiple instances of the same attribute are allowed, they're combined into a single
 //! semantic attribute. For example:
@@ -85,7 +85,7 @@
 
 #[macro_use]
 mod attributes;
-mod context;
+pub(crate) mod context;
 mod lints;
 pub mod parser;
 mod session_diagnostics;