Only show notable traits if both types are the same

Checking only their DefId doesn't work because all slices have the same
fake DefId.

Fixes #91347

1 files changed, 20 insertions, 0 deletions

diff --git a/src/test/rustdoc/doc-notable_trait-slice.rs b/src/test/rustdoc/doc-notable_trait-slice.rs
new file mode 100644
index 00000000000..b0d41402721
--- /dev/null
+++ b/src/test/rustdoc/doc-notable_trait-slice.rs
@@ -0,0 +1,20 @@
+#![feature(doc_notable_trait)]
+
+#[doc(notable_trait)]
+pub trait SomeTrait {}
+
+pub struct SomeStruct;
+pub struct OtherStruct;
+impl SomeTrait for &[SomeStruct] {}
+
+// @has doc_notable_trait_slice/fn.bare_fn_matches.html
+// @has - '//code[@class="content"]' 'impl SomeTrait for &[SomeStruct]'
+pub fn bare_fn_matches() -> &'static [SomeStruct] {
+    &[]
+}
+
+// @has doc_notable_trait_slice/fn.bare_fn_no_matches.html
+// @!has - '//code[@class="content"]' 'impl SomeTrait for &[SomeStruct]'
+pub fn bare_fn_no_matches() -> &'static [OtherStruct] {
+    &[]
+}