diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 7501675df35..332b01b3d94 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2013-06-16  Jonathan Wakely  <jwakely.gcc@gmail.com>
+
+	* include/std/shared_mutex (shared_lock::operator=): Add missing
+	return statement.
+
 2013-06-16  Jonathan Wakely  <jwakely.gcc@gmail.com>
 
 	PR libstdc++/57263
diff --git a/libstdc++-v3/include/std/shared_mutex b/libstdc++-v3/include/std/shared_mutex
index f60628278f8..39ab83a2845 100644
--- a/libstdc++-v3/include/std/shared_mutex
+++ b/libstdc++-v3/include/std/shared_mutex
@@ -339,7 +339,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
       shared_lock&
       operator=(shared_lock&& __sl) noexcept
-      { shared_lock(std::move(__sl)).swap(*this); }
+      {
+	shared_lock(std::move(__sl)).swap(*this);
+	return *this;
+      }
 
       void
       lock()