From f32e92cdc9a1a33bf82fe4c4b77ec52169b45701 Mon Sep 17 00:00:00 2001
From: lucarlig <luca.carlig@huawei.com>
Date: Sun, 25 Feb 2024 21:18:38 +0400
Subject: [PATCH] add 1 more test and dont trim other code

---
 clippy_lints/src/doc/mod.rs | 5 ++---
 tests/ui/empty_docs.rs      | 2 ++
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/clippy_lints/src/doc/mod.rs b/clippy_lints/src/doc/mod.rs
index 2984c5c1519..8b6256a50f4 100644
--- a/clippy_lints/src/doc/mod.rs
+++ b/clippy_lints/src/doc/mod.rs
@@ -17,7 +17,7 @@
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::hir::nested_filter;
 use rustc_middle::lint::in_external_macro;
-use rustc_middle::ty;
+use rustc_middle::ty::{self};
 use rustc_resolve::rustdoc::{
     add_doc_fragment, attrs_to_doc_fragments, main_body_opts, source_span_for_markdown_range, DocFragment,
 };
@@ -556,9 +556,8 @@ fn fake_broken_link_callback<'a>(_: BrokenLink<'_>) -> Option<(CowStr<'a>, CowSt
         acc
     });
     doc.pop();
-    let doc = doc.trim().to_string();
 
-    if doc.is_empty() {
+    if doc.trim().is_empty() {
         return Some(DocInfo {
             empty: true,
             doc_headers: DocHeaders::default(),
diff --git a/tests/ui/empty_docs.rs b/tests/ui/empty_docs.rs
index 77564c1c33d..f5b4bb6736d 100644
--- a/tests/ui/empty_docs.rs
+++ b/tests/ui/empty_docs.rs
@@ -59,3 +59,5 @@ fn warn() {
 fn dont_warn() {
     /*! dont warn me */
 }
+
+trait NoDoc {}