From 20a04c127de50a70014abd361e08589530a1bec1 Mon Sep 17 00:00:00 2001
From: Amos Jeffries <>
Date: Sun, 9 Apr 2017 00:02:27 +1200
Subject: [PATCH] Bug 4696: move semantics regression to String class

---
 src/SquidString.h | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/SquidString.h b/src/SquidString.h
index 034b79ddf2..10de8b421d 100644
--- a/src/SquidString.h
+++ b/src/SquidString.h
@@ -28,7 +28,10 @@ public:
     String();
     String(char const *);
     String(String const &);
-    String(String &&) = default;
+    String(String && S) : size_(S.size_), len_(S.len_), buf_(S.buf_) {
+        S.buf_ = nullptr; // S is about to be destructed
+        S.size_ = S.len_ = 0;
+    }
     ~String();
 
     typedef size_t size_type; //storage size intentionally unspecified
@@ -36,7 +39,18 @@ public:
 
     String &operator =(char const *);
     String &operator =(String const &);
-    String &operator =(String &&) = default;
+    String &operator =(String && S) {
+        if (this != &S) {
+            size_ = S.size_;
+            len_ = S.len_;
+            buf_ = S.buf_;
+            S.size_ = 0;
+            S.len_ = 0;
+            S.buf_ = nullptr; // S is about to be destructed
+        }
+        return *this;
+    }
+
     bool operator ==(String const &) const;
     bool operator !=(String const &) const;
 
-- 
2.39.5