1 files changed, 6 insertions, 6 deletions
diff --git a/src/corelib/mimetypes/qmimetype.h b/src/corelib/mimetypes/qmimetype.h
index 4ba3c53470..3c153da21d 100644
--- a/src/corelib/mimetypes/qmimetype.h
+++ b/src/corelib/mimetypes/qmimetype.h
@@ -46,6 +46,9 @@ QT_BEGIN_NAMESPACE
 class QMimeTypePrivate;
 class QFileinfo;
 class QStringList;
+class QMimeType;
+
+Q_CORE_EXPORT uint qHash(const QMimeType &key, uint seed = 0) Q_DECL_NOTHROW;
 
 class Q_CORE_EXPORT QMimeType
 {
@@ -54,13 +57,9 @@ public:
     QMimeType(const QMimeType &other);
     QMimeType &operator=(const QMimeType &other);
 #ifdef Q_COMPILER_RVALUE_REFS
-    QMimeType &operator=(QMimeType &&other)
-    {
-        qSwap(d, other.d);
-        return *this;
-    }
+    QMimeType &operator=(QMimeType &&other) Q_DECL_NOTHROW { swap(other); return *this; }
 #endif
-    void swap(QMimeType &other)
+    void swap(QMimeType &other) Q_DECL_NOTHROW
     {
         qSwap(d, other.d);
     }
@@ -100,6 +99,7 @@ protected:
     friend class QMimeXMLProvider;
     friend class QMimeBinaryProvider;
     friend class QMimeTypePrivate;
+    friend Q_CORE_EXPORT uint qHash(const QMimeType &key, uint seed) Q_DECL_NOTHROW;
 
     QExplicitlySharedDataPointer<QMimeTypePrivate> d;
 };