3 files changed, 16 insertions, 11 deletions
diff --git a/compiler/rustc_resolve/Cargo.toml b/compiler/rustc_resolve/Cargo.toml
index eb98a6e85c0..4da4c0840df 100644
--- a/compiler/rustc_resolve/Cargo.toml
+++ b/compiler/rustc_resolve/Cargo.toml
@@ -5,9 +5,9 @@ edition = "2024"
 
 [dependencies]
 # tidy-alphabetical-start
-bitflags = "2.4.1"
-indexmap = "2.4.0"
-itertools = "0.12"
+bitflags.workspace = true
+indexmap.workspace = true
+itertools.workspace = true
 pulldown-cmark = { version = "0.11", features = ["html"], default-features = false }
 rustc_arena = { path = "../rustc_arena" }
 rustc_ast = { path = "../rustc_ast" }
@@ -27,6 +27,6 @@ rustc_query_system = { path = "../rustc_query_system" }
 rustc_session = { path = "../rustc_session" }
 rustc_span = { path = "../rustc_span" }
 smallvec = { version = "1.8.1", features = ["union", "may_dangle"] }
-thin-vec = "0.2.12"
-tracing = "0.1"
+thin-vec.workspace = true
+tracing.workspace = true
 # tidy-alphabetical-end
diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs
index 679e663f886..d4f7fb276a9 100644
--- a/compiler/rustc_resolve/src/late.rs
+++ b/compiler/rustc_resolve/src/late.rs
@@ -5016,7 +5016,7 @@ impl<'a, 'ast, 'ra, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> {
             }
             ResolveDocLinks::Exported
                 if !maybe_exported.eval(self.r)
-                    && !rustdoc::has_primitive_or_keyword_docs(attrs) =>
+                    && !rustdoc::has_primitive_or_keyword_or_attribute_docs(attrs) =>
             {
                 return;
             }
diff --git a/compiler/rustc_resolve/src/rustdoc.rs b/compiler/rustc_resolve/src/rustdoc.rs
index 6450f63472c..804792c6f28 100644
--- a/compiler/rustc_resolve/src/rustdoc.rs
+++ b/compiler/rustc_resolve/src/rustdoc.rs
@@ -207,8 +207,10 @@ pub fn attrs_to_doc_fragments<'a, A: AttributeExt + Clone + 'a>(
     attrs: impl Iterator<Item = (&'a A, Option<DefId>)>,
     doc_only: bool,
 ) -> (Vec<DocFragment>, ThinVec<A>) {
-    let mut doc_fragments = Vec::new();
-    let mut other_attrs = ThinVec::<A>::new();
+    let (min_size, max_size) = attrs.size_hint();
+    let size_hint = max_size.unwrap_or(min_size);
+    let mut doc_fragments = Vec::with_capacity(size_hint);
+    let mut other_attrs = ThinVec::<A>::with_capacity(if doc_only { 0 } else { size_hint });
     for (attr, item_id) in attrs {
         if let Some((doc_str, comment_kind)) = attr.doc_str_and_comment_kind() {
             let doc = beautify_doc_string(doc_str, comment_kind);
@@ -230,6 +232,9 @@ pub fn attrs_to_doc_fragments<'a, A: AttributeExt + Clone + 'a>(
         }
     }
 
+    doc_fragments.shrink_to_fit();
+    other_attrs.shrink_to_fit();
+
     unindent_doc_fragments(&mut doc_fragments);
 
     (doc_fragments, other_attrs)
@@ -368,8 +373,8 @@ pub fn inner_docs(attrs: &[impl AttributeExt]) -> bool {
     true
 }
 
-/// Has `#[rustc_doc_primitive]` or `#[doc(keyword)]`.
-pub fn has_primitive_or_keyword_docs(attrs: &[impl AttributeExt]) -> bool {
+/// Has `#[rustc_doc_primitive]` or `#[doc(keyword)]` or `#[doc(attribute)]`.
+pub fn has_primitive_or_keyword_or_attribute_docs(attrs: &[impl AttributeExt]) -> bool {
     for attr in attrs {
         if attr.has_name(sym::rustc_doc_primitive) {
             return true;
@@ -377,7 +382,7 @@ pub fn has_primitive_or_keyword_docs(attrs: &[impl AttributeExt]) -> bool {
             && let Some(items) = attr.meta_item_list()
         {
             for item in items {
-                if item.has_name(sym::keyword) {
+                if item.has_name(sym::keyword) || item.has_name(sym::attribute) {
                     return true;
                 }
             }