rustdoc: fix type search index for `fn<T>() -> &T where T: Trait`

1 files changed, 6 insertions, 1 deletions

diff --git a/src/librustdoc/html/render/search_index.rs b/src/librustdoc/html/render/search_index.rs
index e22ac6ec19b..483137f4c35 100644
--- a/src/librustdoc/html/render/search_index.rs
+++ b/src/librustdoc/html/render/search_index.rs
@@ -465,7 +465,7 @@ fn add_generics_and_bounds_as_types<'tcx, 'a>(
     }
 
     // First, check if it's "Self".
-    let arg = if let Some(self_) = self_ {
+    let mut arg = if let Some(self_) = self_ {
         match &*arg {
             Type::BorrowedRef { type_, .. } if type_.is_self_type() => self_,
             type_ if type_.is_self_type() => self_,
@@ -475,6 +475,11 @@ fn add_generics_and_bounds_as_types<'tcx, 'a>(
         arg
     };
 
+    // strip references from the argument type
+    while let Type::BorrowedRef { type_, .. } = &*arg {
+        arg = &*type_;
+    }
+
     // If this argument is a type parameter and not a trait bound or a type, we need to look
     // for its bounds.
     if let Type::Generic(arg_s) = *arg {