Rollup merge of #92792 - mdibaiee:92662/fix-intra-doc-generics, r=camelid

rustdoc: fix intra-link for generic trait impls

fixes #92662

r? `````@camelid`````

2 files changed, 42 insertions, 2 deletions

diff --git a/src/test/rustdoc/intra-doc/extern-type.rs b/src/test/rustdoc/intra-doc/extern-type.rs
index f37ae62dde1..ab088ab789d 100644
--- a/src/test/rustdoc/intra-doc/extern-type.rs
+++ b/src/test/rustdoc/intra-doc/extern-type.rs
@@ -4,14 +4,34 @@ extern {
     pub type ExternType;
 }
 
+pub trait T {
+    fn test(&self) {}
+}
+
+pub trait G<N> {
+    fn g(&self, n: N) {}
+}
+
 impl ExternType {
-    pub fn f(&self) {
+    pub fn f(&self) {}
+}
 
-    }
+impl T for ExternType {
+    fn test(&self) {}
+}
+
+impl G<usize> for ExternType {
+    fn g(&self, n: usize) {}
 }
 
 // @has 'extern_type/foreigntype.ExternType.html'
 // @has 'extern_type/fn.links_to_extern_type.html' \
 // 'href="foreigntype.ExternType.html#method.f"'
+// @has 'extern_type/fn.links_to_extern_type.html' \
+// 'href="foreigntype.ExternType.html#method.test"'
+// @has 'extern_type/fn.links_to_extern_type.html' \
+// 'href="foreigntype.ExternType.html#method.g"'
 /// See also [ExternType::f]
+/// See also [ExternType::test]
+/// See also [ExternType::g]
 pub fn links_to_extern_type() {}
diff --git a/src/test/rustdoc/intra-doc/generic-trait-impl.rs b/src/test/rustdoc/intra-doc/generic-trait-impl.rs
new file mode 100644
index 00000000000..ba8595abfa9
--- /dev/null
+++ b/src/test/rustdoc/intra-doc/generic-trait-impl.rs
@@ -0,0 +1,20 @@
+#![deny(rustdoc::broken_intra_doc_links)]
+
+// Test intra-doc links on trait implementations with generics
+// regression test for issue #92662
+
+use std::marker::PhantomData;
+
+pub trait Bar<T> {
+    fn bar(&self);
+}
+
+pub struct Foo<U>(PhantomData<U>);
+
+impl<T, U> Bar<T> for Foo<U> {
+    fn bar(&self) {}
+}
+
+// @has generic_trait_impl/fn.main.html '//a[@href="struct.Foo.html#method.bar"]' 'Foo::bar'
+/// link to [`Foo::bar`]
+pub fn main() {}