From e4c7ead20c971d23f5b8596a871bfd1ed45d301b Mon Sep 17 00:00:00 2001
From: reed-lau <geoliuwei@gmail.com>
Date: Mon, 5 Aug 2019 19:30:57 +0800
Subject: [PATCH] use move method for SetString

---
 python/google/protobuf/pyext/message.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/python/google/protobuf/pyext/message.cc b/python/google/protobuf/pyext/message.cc
index dc2f772250bac..43e5896562bdb 100644
--- a/python/google/protobuf/pyext/message.cc
+++ b/python/google/protobuf/pyext/message.cc
@@ -788,11 +788,11 @@ bool CheckAndSetString(
 
   string value_string(value, value_len);
   if (append) {
-    reflection->AddString(message, descriptor, value_string);
+    reflection->AddString(message, descriptor, std::move(value_string));
   } else if (index < 0) {
-    reflection->SetString(message, descriptor, value_string);
+    reflection->SetString(message, descriptor, std::move(value_string));
   } else {
-    reflection->SetRepeatedString(message, descriptor, index, value_string);
+    reflection->SetRepeatedString(message, descriptor, index, std::move(value_string));
   }
   return true;
 }