Rollup merge of #96536 - rust-lang:notriddle/deref-slice-core, r=GuillaumeGomez

rustdoc: fix missing method list for primitive deref target

This change makes it so that local impls count when listing primitives that need retained.

Fixes #95325

1 files changed, 22 insertions, 0 deletions

diff --git a/src/test/rustdoc/deref-slice-core.rs b/src/test/rustdoc/deref-slice-core.rs
new file mode 100644
index 00000000000..cccf273a820
--- /dev/null
+++ b/src/test/rustdoc/deref-slice-core.rs
@@ -0,0 +1,22 @@
+// https://github.com/rust-lang/rust/issues/95325
+//
+// Show methods reachable from Deref of primitive.
+#![no_std]
+
+use core::ops::Deref;
+
+// @has 'deref_slice_core/struct.MyArray.html'
+// @has '-' '//*[@id="deref-methods-%5BT%5D"]' 'Methods from Deref<Target = [T]>'
+// @has '-' '//*[@class="impl-items"]//*[@id="method.len"]' 'pub fn len(&self)'
+
+pub struct MyArray<T> {
+    array: [T; 10],
+}
+
+impl<T> Deref for MyArray<T> {
+    type Target = [T];
+
+    fn deref(&self) -> &Self::Target {
+        &self.array
+    }
+}