2 files changed, 24 insertions, 0 deletions
diff --git a/src/gui/image/qpixmapcache.cpp b/src/gui/image/qpixmapcache.cpp
index 472aa469c3..0fefa1f7ea 100644
--- a/src/gui/image/qpixmapcache.cpp
+++ b/src/gui/image/qpixmapcache.cpp
@@ -138,6 +138,24 @@ bool QPixmapCache::Key::operator ==(const Key &key) const
 */
 
 /*!
+    \fn QPixmapCache::Key::Key(Key &&)
+    \internal
+    \since 5.6
+*/
+
+/*!
+    \fn QPixmapCache::Key &QPixmapCache::Key::operator=(Key &&)
+    \internal
+    \since 5.6
+*/
+
+/*!
+    \fn void QPixmapCache::Key::swap(Key &)
+    \internal
+    \since 5.6
+*/
+
+/*!
     \internal
 */
 QPixmapCache::Key &QPixmapCache::Key::operator =(const Key &other)
diff --git a/src/gui/image/qpixmapcache.h b/src/gui/image/qpixmapcache.h
index fd57407c04..03311345a2 100644
--- a/src/gui/image/qpixmapcache.h
+++ b/src/gui/image/qpixmapcache.h
@@ -48,12 +48,18 @@ public:
     public:
         Key();
         Key(const Key &other);
+#ifdef Q_COMPILER_RVALUE_REFS
+        Key(Key &&other) Q_DECL_NOTHROW : d(other.d) { other.d = Q_NULLPTR; }
+        Key &operator =(Key &&other) Q_DECL_NOTHROW { swap(other); return *this; }
+#endif
         ~Key();
         bool operator ==(const Key &key) const;
         inline bool operator !=(const Key &key) const
         { return !operator==(key); }
         Key &operator =(const Key &other);
 
+        void swap(Key &other) Q_DECL_NOTHROW { qSwap(d, other.d); }
+
     private:
         KeyData *d;
         friend class QPMCache;