From d442a372621f70bd63f42917becf184387cfe3d4 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Tue, 25 Jan 2022 17:09:18 +0100
Subject: [PATCH] Fix invalid extra dot after version if no source

---
 src/librustdoc/html/render/mod.rs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs
index 32e4a829184..0b6faa4b13e 100644
--- a/src/librustdoc/html/render/mod.rs
+++ b/src/librustdoc/html/render/mod.rs
@@ -1676,11 +1676,12 @@ fn render_rightside(
         containing_item.stable_since(tcx),
         const_stable_since,
     );
-    if has_stability {
+    let mut tmp_buf = Buffer::empty_from(w);
+    write_srclink(cx, item, &mut tmp_buf);
+    if has_stability && !tmp_buf.is_empty() {
         w.write_str(" · ");
     }
-
-    write_srclink(cx, item, w);
+    w.push_buffer(tmp_buf);
     w.write_str("</div>");
 }