Merge branch 'master' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into master-integration

* 'master' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
  QSortFilterProxyModel: Sorting occured unnecessarily when the dynamicSortFilter is turned off
  Fix test with gcc 4.0 where QT_USE_FAST_CONCATENATION cannot be enabled.
  Fix build with wingw
  Imporve win64 support for mingw
  Compile
  Fix a memory hole in QGraphicsItemPrivate.
  Fix assert in fontengine when using rotated/scaled QStaticText
  Compilation fix for Symbian
  Compilation fix for AIX
  Fix build on Mac OS X
  Fix compilation
  Fix compilation on Windows
  Copy useBackendOptimization setting when QStaticText is detached
  Compilation on symbian
  Enable QT_USE_FAST_CONCATENATION by default for compiling Qt
  Compile with QT_USE_FAST_OPERATOR_PLUS
  QStringBuilder: Do not resize if not required.
  QStringBuilder:  reduce the size of the generated code

33 files changed, 190 insertions, 111 deletions

diff --git a/src/3rdparty/libpng/png.h b/src/3rdparty/libpng/png.h
index 14e3416..5ea2b0d 100644
--- a/src/3rdparty/libpng/png.h
+++ b/src/3rdparty/libpng/png.h
@@ -386,7 +386,7 @@
 #include "zlib.h"
 #endif
 
-#ifdef AIX
+#ifdef _AIX
 #define jmpbuf __jmpbuf
 #endif
 
diff --git a/src/3rdparty/libpng/pngpriv.h b/src/3rdparty/libpng/pngpriv.h
index 13c2b3f..87a4ba6 100644
--- a/src/3rdparty/libpng/pngpriv.h
+++ b/src/3rdparty/libpng/pngpriv.h
@@ -74,7 +74,9 @@
 
 #if defined(WIN32) || defined(_Windows) || defined(_WINDOWS) || \
     defined(_WIN32) || defined(__WIN32__)
-#  include <windows.h>  /* defines _WINDOWS_ macro */
+#  if !defined(__SYMBIAN32__)
+#    include <windows.h>  /* defines _WINDOWS_ macro */
+#  endif
 /* I have no idea why is this necessary... */
 #  ifdef _MSC_VER
 #    include <malloc.h>
diff --git a/src/3rdparty/webkit/WebCore/dom/XMLTokenizerQt.cpp b/src/3rdparty/webkit/WebCore/dom/XMLTokenizerQt.cpp
index 79fc51e..5c87fe6 100644
--- a/src/3rdparty/webkit/WebCore/dom/XMLTokenizerQt.cpp
+++ b/src/3rdparty/webkit/WebCore/dom/XMLTokenizerQt.cpp
@@ -368,7 +368,7 @@ static inline void handleElementNamespaces(Element* newElement, const QXmlStream
     for (int i = 0; i < ns.count(); ++i) {
         const QXmlStreamNamespaceDeclaration &decl = ns[i];
         String namespaceURI = decl.namespaceUri();
-        String namespaceQName = decl.prefix().isEmpty() ? String("xmlns") : String("xmlns:") + decl.prefix();
+        String namespaceQName = decl.prefix().isEmpty() ? String("xmlns") : String("xmlns:") + String(decl.prefix());
         newElement->setAttributeNS("http://www.w3.org/2000/xmlns/", namespaceQName, namespaceURI, ec);
         if (ec) // exception setting attributes
             return;
diff --git a/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/InspectorClientQt.cpp b/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/InspectorClientQt.cpp
index 7a1bfd5..5fbc876 100644
--- a/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/InspectorClientQt.cpp
+++ b/src/3rdparty/webkit/WebKit/qt/WebCoreSupport/InspectorClientQt.cpp
@@ -179,7 +179,7 @@ void InspectorClientQt::populateSetting(const String& key, InspectorController::
         return;
     }
 
-    QString settingKey(settingStoragePrefix + key);
+    QString settingKey(settingStoragePrefix + QString(key));
     QString storedValueType = qsettings.value(settingKey + settingStorageTypeSuffix).toString();
     QVariant storedValue = qsettings.value(settingKey);
     storedValue.convert(QVariant::nameToType(storedValueType.toAscii().data()));
@@ -196,7 +196,7 @@ void InspectorClientQt::storeSetting(const String& key, const InspectorControlle
     }
 
     QVariant valueToStore = settingToVariant(setting);
-    QString settingKey(settingStoragePrefix + key);
+    QString settingKey(settingStoragePrefix + QString(key));
     qsettings.setValue(settingKey, valueToStore);
     qsettings.setValue(settingKey + settingStorageTypeSuffix, QVariant::typeToName(valueToStore.type()));
 }
diff --git a/src/activeqt/container/qaxbase.cpp b/src/activeqt/container/qaxbase.cpp
index 02a29d9..7692749 100644
--- a/src/activeqt/container/qaxbase.cpp
+++ b/src/activeqt/container/qaxbase.cpp
@@ -1353,11 +1353,9 @@ bool QAxBase::initializeFromFile(IUnknown** ptr)
 
 
 // There seams to be a naming problem in mingw headers
-#ifdef Q_CC_GNU
-#ifndef COAUTHIDENTITY
+#if defined(Q_CC_GNU) && !defined(COAUTHIDENTITY) && !defined(__MINGW64_VERSION_MAJOR)
 #define COAUTHIDENTITY AUTH_IDENTITY
 #endif
-#endif
 
 
 /*!
diff --git a/src/activeqt/container/qaxwidget.cpp b/src/activeqt/container/qaxwidget.cpp
index 9149320..7d2dde7 100644
--- a/src/activeqt/container/qaxwidget.cpp
+++ b/src/activeqt/container/qaxwidget.cpp
@@ -77,25 +77,21 @@
 // #define QAX_SUPPORT_BORDERSPACE
 
 // missing interface from win32api
-#if defined(Q_CC_GNU)
-#   if !defined(IOleInPlaceObjectWindowless)
-#       undef INTERFACE
-#       define INTERFACE IOleInPlaceObjectWindowless
-        DECLARE_INTERFACE_(IOleInPlaceObjectWindowless,IOleInPlaceObject)
-        {
-           STDMETHOD(QueryInterface)(THIS_ REFIID,PVOID*) PURE;
-           STDMETHOD_(ULONG,AddRef)(THIS) PURE;
-           STDMETHOD_(ULONG,Release)(THIS) PURE;
-           STDMETHOD(GetWindow)(THIS_ HWND*) PURE;
-           STDMETHOD(ContextSensitiveHelp)(THIS_ BOOL) PURE;
-           STDMETHOD(InPlaceDeactivate)(THIS) PURE;
-           STDMETHOD(UIDeactivate)(THIS) PURE;
-           STDMETHOD(SetObjectRects)(THIS_ LPCRECT,LPCRECT) PURE;
-           STDMETHOD(ReactivateAndUndo)(THIS) PURE;
-           STDMETHOD(OnWindowMessage)(THIS_ UINT, WPARAM, LPARAM, LRESULT*) PURE;
-           STDMETHOD(GetDropTarget)(THIS_ IDropTarget**) PURE;
-        };
-#   endif
+#if defined(Q_CC_GNU) && !defined(__MINGW64_VERSION_MAJOR)
+    DECLARE_INTERFACE_(IOleInPlaceObjectWindowless,IOleInPlaceObject)
+    {
+       STDMETHOD(QueryInterface)(THIS_ REFIID,PVOID*) PURE;
+       STDMETHOD_(ULONG,AddRef)(THIS) PURE;
+       STDMETHOD_(ULONG,Release)(THIS) PURE;
+       STDMETHOD(GetWindow)(THIS_ HWND*) PURE;
+       STDMETHOD(ContextSensitiveHelp)(THIS_ BOOL) PURE;
+       STDMETHOD(InPlaceDeactivate)(THIS) PURE;
+       STDMETHOD(UIDeactivate)(THIS) PURE;
+       STDMETHOD(SetObjectRects)(THIS_ LPCRECT,LPCRECT) PURE;
+       STDMETHOD(ReactivateAndUndo)(THIS) PURE;
+       STDMETHOD(OnWindowMessage)(THIS_ UINT, WPARAM, LPARAM, LRESULT*) PURE;
+       STDMETHOD(GetDropTarget)(THIS_ IDropTarget**) PURE;
+    };
 #endif
 
 #include "../shared/qaxtypes.h"
diff --git a/src/activeqt/control/qaxserverbase.cpp b/src/activeqt/control/qaxserverbase.cpp
index 5fa0aad..ce71490 100644
--- a/src/activeqt/control/qaxserverbase.cpp
+++ b/src/activeqt/control/qaxserverbase.cpp
@@ -1536,7 +1536,7 @@ HWND QAxServerBase::create(HWND hWndParent, RECT& rcPos)
     HINSTANCE hInst = (HINSTANCE)qAxInstance;
     EnterCriticalSection(&createWindowSection);
     QString cn(QLatin1String("QAxControl"));
-    cn += QString::number((int)ActiveXProc);
+    cn += QString::number((quintptr)ActiveXProc);
     if (!atom) {
         WNDCLASS wcTemp;
         wcTemp.style = CS_DBLCLKS;
@@ -1599,10 +1599,10 @@ HMENU QAxServerBase::createPopup(QMenu *popup, HMENU oldMenu)
 	ushort itemId;
         if (flags & MF_POPUP) {
             itemId = static_cast<ushort>(
-                reinterpret_cast<ulong>(createPopup(action->menu()))
+                reinterpret_cast<quintptr>(createPopup(action->menu()))
             );
         } else {
-            itemId = static_cast<ushort>(reinterpret_cast<ulong>(action));
+            itemId = static_cast<ushort>(reinterpret_cast<quintptr>(action));
             actionMap.remove(itemId);
             actionMap.insert(itemId, action);
         }
@@ -1646,10 +1646,10 @@ void QAxServerBase::createMenu(QMenuBar *menuBar)
 	ushort itemId;
         if (flags & MF_POPUP) {
             itemId = static_cast<ushort>(
-                reinterpret_cast<ulong>(createPopup(action->menu()))
+                reinterpret_cast<quintptr>(createPopup(action->menu()))
             );
         } else {
-            itemId = static_cast<ushort>(reinterpret_cast<ulong>(action));
+            itemId = static_cast<ushort>(reinterpret_cast<quintptr>(action));
             actionMap.insert(itemId, action);
         }
         AppendMenu(hmenuShared, flags, itemId, (const wchar_t *)action->text().utf16());
diff --git a/src/corelib/global/qlibraryinfo.cpp b/src/corelib/global/qlibraryinfo.cpp
index a9ea44a..d5041c9 100644
--- a/src/corelib/global/qlibraryinfo.cpp
+++ b/src/corelib/global/qlibraryinfo.cpp
@@ -439,7 +439,7 @@ QLibraryInfo::location(LibraryLocation loc)
                     QCFType<CFURLRef> urlRef = CFBundleCopyBundleURL(bundleRef);
                     if (urlRef) {
                         QCFString path = CFURLCopyFileSystemPath(urlRef, kCFURLPOSIXPathStyle);
-                        return QDir::cleanPath(path + QLatin1String("/Contents/") + ret);
+                        return QDir::cleanPath(QString(path) + QLatin1String("/Contents/") + ret);
                     }
                 }
 #endif
diff --git a/src/corelib/io/qurl.cpp b/src/corelib/io/qurl.cpp
index 076cc33..0290fb8 100644
--- a/src/corelib/io/qurl.cpp
+++ b/src/corelib/io/qurl.cpp
@@ -6348,7 +6348,7 @@ QUrl QUrl::fromUserInput(const QString &userInput)
         return QUrl::fromLocalFile(trimmedString);
 
     QUrl url = QUrl::fromEncoded(trimmedString.toUtf8(), QUrl::TolerantMode);
-    QUrl urlPrepended = QUrl::fromEncoded((QLatin1String("http://") + trimmedString).toUtf8(), QUrl::TolerantMode);
+    QUrl urlPrepended = QUrl::fromEncoded("http://" + trimmedString.toUtf8(), QUrl::TolerantMode);
 
     // Check the most common case of a valid url with scheme and host
     // We check if the port would be valid by adding the scheme to handle the case host:port
diff --git a/src/corelib/kernel/qcoreapplication_win.cpp b/src/corelib/kernel/qcoreapplication_win.cpp
index 5990f86..566626d 100644
--- a/src/corelib/kernel/qcoreapplication_win.cpp
+++ b/src/corelib/kernel/qcoreapplication_win.cpp
@@ -1021,14 +1021,14 @@ QString decodeMSG(const MSG& msg)
                 LPWINDOWPOS winPos = (LPWINDOWPOS)lParam;
                 if (!winPos)
                     break;
-                QString hwndAfter = valueCheck((uint)winPos->hwndInsertAfter,
-                                          FLAG_STRING((uint)HWND_BOTTOM,    "HWND_BOTTOM"),
-                                          FLAG_STRING((int)HWND_NOTOPMOST, "HWND_NOTOPMOST"),
-                                          FLAG_STRING((uint)HWND_TOP,       "HWND_TOP"),
-                                          FLAG_STRING((int)HWND_TOPMOST,   "HWND_TOPMOST"),
+                QString hwndAfter = valueCheck(quint64(winPos->hwndInsertAfter),
+                                          FLAG_STRING((quintptr)HWND_BOTTOM,    "HWND_BOTTOM"),
+                                          FLAG_STRING((quintptr)HWND_NOTOPMOST, "HWND_NOTOPMOST"),
+                                          FLAG_STRING((quintptr)HWND_TOP,       "HWND_TOP"),
+                                          FLAG_STRING((quintptr)HWND_TOPMOST,   "HWND_TOPMOST"),
                                           FLAG_STRING());
                 if (hwndAfter.size() == 0)
-                    hwndAfter = QString::number((uint)winPos->hwndInsertAfter, 16);
+                    hwndAfter = QString::number((quintptr)winPos->hwndInsertAfter, 16);
                 QString flags = flagCheck(winPos->flags,
                                           FLGSTR(SWP_DRAWFRAME),
                                           FLGSTR(SWP_FRAMECHANGED),
diff --git a/src/corelib/thread/qmutex.cpp b/src/corelib/thread/qmutex.cpp
index ec50ac8..43df13a 100644
--- a/src/corelib/thread/qmutex.cpp
+++ b/src/corelib/thread/qmutex.cpp
@@ -41,6 +41,7 @@
 
 #include "qplatformdefs.h"
 #include "qmutex.h"
+#include <qdebug.h>
 
 #ifndef QT_NO_THREAD
 #include "qatomic.h"
@@ -159,8 +160,7 @@ void QMutex::lock()
         if (!isLocked) {
 #ifndef QT_NO_DEBUG
             if (d->owner == self)
-                qWarning("QMutex::lock: Deadlock detected in thread %ld",
-                         long(d->owner));
+                qWarning() << "QMutex::lock: Deadlock detected in thread" << d->owner;
 #endif
 
             // didn't get the lock, wait for it
@@ -197,8 +197,7 @@ void QMutex::lock()
                 if (!isLocked) {
 #ifndef QT_NO_DEBUG
                     if (d->owner == self)
-                        qWarning("QMutex::lock: Deadlock detected in thread %ld",
-                                 long(d->owner));
+                        qWarning() << "QMutex::lock: Deadlock detected in thread" << d->owner;
 #endif
 
                     // didn't get the lock, wait for it
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index b4bfcaf..84bc154 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -465,7 +465,7 @@ static QString winToQtFormat(const QString &sys_fmt)
             if (text == QLatin1String("'"))
                 result += QLatin1String("''");
             else
-                result += QLatin1Char('\'') + text + QLatin1Char('\'');
+                result += QString(QLatin1Char('\'') + text + QLatin1Char('\''));
             continue;
         }
 
@@ -681,8 +681,8 @@ QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
 
     case DateTimeFormatLong:
     case DateTimeFormatShort:
-        return query(type == DateTimeFormatLong ? DateFormatLong : DateFormatShort).toString()
-            + QLatin1Char(' ') + query(type == DateTimeFormatLong ? TimeFormatLong : TimeFormatShort).toString();
+        return QString(query(type == DateTimeFormatLong ? DateFormatLong : DateFormatShort).toString()
+            + QLatin1Char(' ') + query(type == DateTimeFormatLong ? TimeFormatLong : TimeFormatShort).toString());
     case DayNameLong:
     case DayNameShort:
         return winDayName(in.toInt(), (type == DayNameShort));
@@ -698,8 +698,8 @@ QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
     case DateTimeToStringShort:
     case DateTimeToStringLong: {
         const QDateTime dt = in.toDateTime();
-        return winDateToString(dt.date(), type == DateTimeToStringShort ? DATE_SHORTDATE : DATE_LONGDATE)
-            + QLatin1Char(' ') + winTimeToString(dt.time()); }
+        return QString(winDateToString(dt.date(), type == DateTimeToStringShort ? DATE_SHORTDATE : DATE_LONGDATE)
+            + QLatin1Char(' ') + winTimeToString(dt.time())); }
 
     case ZeroDigit:
         locale_info = LOCALE_SNATIVEDIGITS;
diff --git a/src/corelib/tools/qlocale_symbian.cpp b/src/corelib/tools/qlocale_symbian.cpp
index b1a7caa..58e3ba8 100644
--- a/src/corelib/tools/qlocale_symbian.cpp
+++ b/src/corelib/tools/qlocale_symbian.cpp
@@ -841,7 +841,7 @@ QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
             return symbianTimeFormat();
         case DateTimeFormatLong:
         case DateTimeFormatShort:
-            return symbianDateFormat( (type == DateTimeFormatShort) ) + QLatin1Char(' ') + symbianTimeFormat();
+            return QString(symbianDateFormat( (type == DateTimeFormatShort) ) + QLatin1Char(' ') + symbianTimeFormat());
         case DateToStringShort:
         case DateToStringLong:
              return symbianDateToString(in.toDate(), (type == DateToStringShort) );
@@ -851,8 +851,8 @@ QVariant QSystemLocale::query(QueryType type, QVariant in = QVariant()) const
         case DateTimeToStringShort:
         case DateTimeToStringLong: {
                 const QDateTime dt = in.toDateTime();
-                return symbianDateToString(dt.date(), (type == DateTimeToStringShort) )
-                       + QLatin1Char(' ') + symbianTimeToString(dt.time());
+                return QString(symbianDateToString(dt.date(), (type == DateTimeToStringShort) )
+                       + QLatin1Char(' ') + symbianTimeToString(dt.time()));
             }
         case MeasurementSystem:
             return static_cast<int>(symbianMeasurementSystem());
diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h
index 8de3c7d..a59c0bd 100644
--- a/src/corelib/tools/qstring.h
+++ b/src/corelib/tools/qstring.h
@@ -73,6 +73,16 @@ typedef std::basic_string<wchar_t> QStdWString;
 #error qstring.h must be included before any header file that defines truncate
 #endif
 
+#if defined(Q_CC_GNU) && (__GNUC__ == 4 && __GNUC_MINOR__ == 0)
+//There is a bug in GCC 4.0 that tries to instantiate template of annonymous enum
+#  ifdef QT_USE_FAST_OPERATOR_PLUS
+#    undef QT_USE_FAST_OPERATOR_PLUS
+#  endif
+#  ifdef QT_USE_FAST_CONCATENATION
+#    undef QT_USE_FAST_CONCATENATION
+#  endif
+#endif
+
 QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
diff --git a/src/corelib/tools/qstringbuilder.h b/src/corelib/tools/qstringbuilder.h
index 74661c2..0c3ba06 100644
--- a/src/corelib/tools/qstringbuilder.h
+++ b/src/corelib/tools/qstringbuilder.h
@@ -100,14 +100,18 @@ public:
 
     operator QString() const
     {
-        QString s(QConcatenable< QStringBuilder<A, B> >::size(*this),
-            Qt::Uninitialized);
+        const uint size = QConcatenable< QStringBuilder<A, B> >::size(*this);
+        QString s(size, Qt::Uninitialized);
 
         QChar *d = s.data();
+        const QChar * const start = d;
         QConcatenable< QStringBuilder<A, B> >::appendTo(*this, d);
-        // this resize is necessary since we allocate a bit too much
-        // when dealing with variable sized 8-bit encodings
-        s.resize(d - s.data());
+
+        if (!QConcatenable< QStringBuilder<A, B> >::ExactSize && int(size) != d - start) {
+            // this resize is necessary since we allocate a bit too much
+            // when dealing with variable sized 8-bit encodings
+            s.resize(d - start);
+        }
         return s;
     }
     QByteArray toLatin1() const { return QString(*this).toLatin1(); }
@@ -116,10 +120,24 @@ public:
     const B &b;
 };
 
+template <>
+class QStringBuilder <QString, QString>
+{
+    public:
+        QStringBuilder(const QString &a_, const QString &b_) : a(a_), b(b_) {}
+
+        operator QString() const
+        { QString r(a); r += b; return r; }
+        QByteArray toLatin1() const { return QString(*this).toLatin1(); }
+
+        const QString &a;
+        const QString &b;
+};
 
 template <> struct QConcatenable<char> : private QAbstractConcatenable
 {
     typedef char type;
+    enum { ExactSize = true };
     static int size(const char) { return 1; }
     static inline void appendTo(const char c, QChar *&out)
     {
@@ -130,6 +148,7 @@ template <> struct QConcatenable<char> : private QAbstractConcatenable
 template <> struct QConcatenable<QLatin1Char>
 {
     typedef QLatin1Char type;
+    enum { ExactSize = true };
     static int size(const QLatin1Char) { return 1; }
     static inline void appendTo(const QLatin1Char c, QChar *&out)
     {
@@ -140,6 +159,7 @@ template <> struct QConcatenable<QLatin1Char>
 template <> struct QConcatenable<QChar>
 {
     typedef QChar type;
+    enum { ExactSize = true };
     static int size(const QChar) { return 1; }
     static inline void appendTo(const QChar c, QChar *&out)
     {
@@ -150,6 +170,7 @@ template <> struct QConcatenable<QChar>
 template <> struct QConcatenable<QCharRef>
 {
     typedef QCharRef type;
+    enum { ExactSize = true };
     static int size(const QCharRef &) { return 1; }
     static inline void appendTo(const QCharRef &c, QChar *&out)
     {
@@ -160,6 +181,7 @@ template <> struct QConcatenable<QCharRef>
 template <> struct QConcatenable<QLatin1String>
 {
     typedef QLatin1String type;
+    enum { ExactSize = true };
     static int size(const QLatin1String &a) { return qstrlen(a.latin1()); }
     static inline void appendTo(const QLatin1String &a, QChar *&out)
     {
@@ -172,6 +194,7 @@ template <> struct QConcatenable<QLatin1String>
 template <> struct QConcatenable<QLatin1Literal>
 {
     typedef QLatin1Literal type;
+    enum { ExactSize = true };
     static int size(const QLatin1Literal &a) { return a.size(); }
     static inline void appendTo(const QLatin1Literal &a, QChar *&out)
     {
@@ -183,6 +206,7 @@ template <> struct QConcatenable<QLatin1Literal>
 template <> struct QConcatenable<QString>
 {
     typedef QString type;
+    enum { ExactSize = true };
     static int size(const QString &a) { return a.size(); }
     static inline void appendTo(const QString &a, QChar *&out)
     {
@@ -195,6 +219,7 @@ template <> struct QConcatenable<QString>
 template <> struct QConcatenable<QStringRef>
 {
     typedef QStringRef type;
+    enum { ExactSize = true };
     static int size(const QStringRef &a) { return a.size(); }
     static inline void appendTo(QStringRef a, QChar *&out)
     {
@@ -208,6 +233,7 @@ template <> struct QConcatenable<QStringRef>
 template <int N> struct QConcatenable<char[N]> : private QAbstractConcatenable
 {
     typedef char type[N];
+    enum { ExactSize = false };
     static int size(const char[N])
     {
         return N - 1;
@@ -221,6 +247,7 @@ template <int N> struct QConcatenable<char[N]> : private QAbstractConcatenable
 template <int N> struct QConcatenable<const char[N]> : private QAbstractConcatenable
 {
     typedef const char type[N];
+    enum { ExactSize = false };
     static int size(const char[N]) { return N - 1; }
     static inline void appendTo(const char a[N], QChar *&out)
     {
@@ -231,6 +258,7 @@ template <int N> struct QConcatenable<const char[N]> : private QAbstractConcaten
 template <> struct QConcatenable<const char *> : private QAbstractConcatenable
 {
     typedef char const *type;
+    enum { ExactSize = false };
     static int size(const char *a) { return qstrlen(a); }
     static inline void appendTo(const char *a, QChar *&out)
     {
@@ -241,6 +269,7 @@ template <> struct QConcatenable<const char *> : private QAbstractConcatenable
 template <> struct QConcatenable<QByteArray> : private QAbstractConcatenable
 {
     typedef QByteArray type;
+    enum { ExactSize = false };
     static int size(const QByteArray &ba) { return qstrnlen(ba.constData(), ba.size()); }
     static inline void appendTo(const QByteArray &ba, QChar *&out)
     {
@@ -253,6 +282,7 @@ template <typename A, typename B>
 struct QConcatenable< QStringBuilder<A, B> >
 {
     typedef QStringBuilder<A, B> type;
+    enum { ExactSize = QConcatenable<A>::ExactSize && QConcatenable<B>::ExactSize };
     static int size(const type &p)
     {
         return QConcatenable<A>::size(p.a) + QConcatenable<B>::size(p.b);
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index b3ca3b5..2c92364 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -156,8 +156,8 @@ public:
         needSortChildren(0),
         allChildrenDirty(0),
         fullUpdatePending(0),
-        flags(0),
         dirtyChildrenBoundingRect(1),
+        flags(0),
         paintedViewBoundingRectsNeedRepaint(0),
         dirtySceneTransform(1),
         geometryChanged(1),
@@ -474,11 +474,11 @@ public:
     quint32 inSetPosHelper : 1;
     quint32 needSortChildren : 1;
     quint32 allChildrenDirty : 1;
+    quint32 fullUpdatePending : 1;
+    quint32 dirtyChildrenBoundingRect : 1;
 
     // Packed 32 bits
-    quint32 fullUpdatePending : 1;
     quint32 flags : 17;
-    quint32 dirtyChildrenBoundingRect : 1;
     quint32 paintedViewBoundingRectsNeedRepaint : 1;
     quint32 dirtySceneTransform : 1;
     quint32 geometryChanged : 1;
@@ -492,10 +492,10 @@ public:
     quint32 sceneTransformTranslateOnly : 1;
     quint32 notifyBoundingRectChanged : 1;
     quint32 notifyInvalidated : 1;
-
-    // New 32 bits
     quint32 mouseSetsFocus : 1;
     quint32 explicitActivate : 1;
+
+    // New 32 bits
     quint32 wantsActive : 1;
     quint32 holesInSiblingIndex : 1;
     quint32 sequentialOrdering : 1;
@@ -503,6 +503,7 @@ public:
     quint32 scenePosDescendants : 1;
     quint32 pendingPolish : 1;
     quint32 mayHaveChildWithGraphicsEffect : 1;
+    quint32 padding : 25;
 
     // Optional stacking order
     int globalStackingOrder;
diff --git a/src/gui/itemviews/qsortfilterproxymodel.cpp b/src/gui/itemviews/qsortfilterproxymodel.cpp
index e73013c..c63a07b 100644
--- a/src/gui/itemviews/qsortfilterproxymodel.cpp
+++ b/src/gui/itemviews/qsortfilterproxymodel.cpp
@@ -563,7 +563,7 @@ QVector<QPair<int, QVector<int > > > QSortFilterProxyModelPrivate::proxy_interva
     int proxy_item = 0;
     int source_items_index = 0;
     QVector<int> source_items_in_interval;
-    bool compare = (orient == Qt::Vertical && source_sort_column >= 0);
+    bool compare = (orient == Qt::Vertical && source_sort_column >= 0 && dynamic_sortfilter);
     while (source_items_index < source_items.size()) {
         source_items_in_interval.clear();
         int first_new_source_item = source_items.at(source_items_index);
@@ -1244,7 +1244,7 @@ void QSortFilterProxyModelPrivate::_q_sourceRowsInserted(
     const QModelIndex &source_parent, int start, int end)
 {
     source_items_inserted(source_parent, start, end, Qt::Vertical);
-    if (update_source_sort_column()) //previous call to update_source_sort_column may fail if the model has no column.
+    if (update_source_sort_column() && dynamic_sortfilter) //previous call to update_source_sort_column may fail if the model has no column.
         sort();                      // now it should succeed so we need to make sure to sort again
 }
 
@@ -1281,8 +1281,8 @@ void QSortFilterProxyModelPrivate::_q_sourceColumnsInserted(
     if (source_parent.isValid())
         return; //we sort according to the root column only
     if (source_sort_column == -1) {
-        //we update the source_sort_column depending on the prox_sort_column
-        if (update_source_sort_column())
+        //we update the source_sort_column depending on the proxy_sort_column
+        if (update_source_sort_column() && dynamic_sortfilter)
             sort();
     } else {
         if (start <= source_sort_column)
diff --git a/src/gui/kernel/qkeymapper_win.cpp b/src/gui/kernel/qkeymapper_win.cpp
index 578f32a..e555c5c 100644
--- a/src/gui/kernel/qkeymapper_win.cpp
+++ b/src/gui/kernel/qkeymapper_win.cpp
@@ -619,7 +619,7 @@ void QKeyMapperPrivate::clearMappings()
     /* MAKELCID()'s first argument is a WORD, and GetKeyboardLayout()
      * returns a DWORD. */
 
-    LCID newLCID = MAKELCID((DWORD)GetKeyboardLayout(0), SORT_DEFAULT);
+    LCID newLCID = MAKELCID((quintptr)GetKeyboardLayout(0), SORT_DEFAULT);
 //    keyboardInputLocale = qt_localeFromLCID(newLCID);
 
     bool bidi = false;
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 070491d..fae26e0 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -3700,7 +3700,7 @@ template <>
 Q_STATIC_TEMPLATE_SPECIALIZATION
 inline quint32 alpha_4(const qargb8555 *src)
 {
-    Q_ASSERT((long(src) & 0x3) == 0);
+    Q_ASSERT((quintptr(src) & 0x3) == 0);
     const quint8 *src8 = reinterpret_cast<const quint8*>(src);
     return src8[0] << 24 | src8[3] << 16 | src8[6] << 8 | src8[9];
 }
@@ -4026,8 +4026,8 @@ template <>
 inline void interpolate_pixel_4(qargb8565 *dest, const qargb8565 *src,
                                 quint32 alpha)
 {
-    Q_ASSERT((long(dest) & 0x3) == 0);
-    Q_ASSERT((long(src) & 0x3) == 0);
+    Q_ASSERT((quintptr(dest) & 0x3) == 0);
+    Q_ASSERT((quintptr(src) & 0x3) == 0);
 
     const quint32 a = eff_alpha_4(alpha, dest);
     const quint32 ia = eff_ialpha_4(alpha, dest);
@@ -4122,8 +4122,8 @@ template <>
 inline void interpolate_pixel_4(qargb8555 *dest, const qargb8555 *src,
                                 quint32 alpha)
 {
-    Q_ASSERT((long(dest) & 0x3) == 0);
-    Q_ASSERT((long(src) & 0x3) == 0);
+    Q_ASSERT((quintptr(dest) & 0x3) == 0);
+    Q_ASSERT((quintptr(src) & 0x3) == 0);
 
 
     const quint32 a = eff_alpha_4(alpha, dest);
@@ -4218,8 +4218,8 @@ template <>
 inline void interpolate_pixel_4(qrgb888 *dest, const qrgb888 *src,
                                 quint32 alpha)
 {
-    Q_ASSERT((long(dest) & 0x3) == 0);
-    Q_ASSERT((long(src) & 0x3) == 0);
+    Q_ASSERT((quintptr(dest) & 0x3) == 0);
+    Q_ASSERT((quintptr(src) & 0x3) == 0);
 
     const quint32 a = eff_alpha_4(alpha, dest);
     const quint32 ia = eff_ialpha_4(alpha, dest);
@@ -4291,8 +4291,8 @@ template <class DST, class SRC>
 inline void interpolate_pixel_4(DST *dest, quint8 a,
                                 const SRC *src, quint8 b)
 {
-    Q_ASSERT((long(dest) & 0x3) == 0);
-    Q_ASSERT((long(src) & 0x3) == 0);
+    Q_ASSERT((quintptr(dest) & 0x3) == 0);
+    Q_ASSERT((quintptr(src) & 0x3) == 0);
 
     dest[0] = dest[0].byte_mul(a) + DST(src[0]).byte_mul(b);
     dest[1] = dest[1].byte_mul(a) + DST(src[1]).byte_mul(b);
@@ -4303,8 +4303,8 @@ inline void interpolate_pixel_4(DST *dest, quint8 a,
 template <class DST, class SRC>
 inline void blend_sourceOver_4(DST *dest, const SRC *src)
 {
-    Q_ASSERT((long(dest) & 0x3) == 0);
-    Q_ASSERT((long(src) & 0x3) == 0);
+    Q_ASSERT((quintptr(dest) & 0x3) == 0);
+    Q_ASSERT((quintptr(src) & 0x3) == 0);
 
     const quint32 a = alpha_4(src);
     if (a == 0xffffffff) {
@@ -4319,8 +4319,8 @@ inline void blend_sourceOver_4(DST *dest, const SRC *src)
 template <>
 inline void blend_sourceOver_4(qargb8565 *dest, const qargb8565 *src)
 {
-    Q_ASSERT((long(dest) & 0x3) == 0);
-    Q_ASSERT((long(src) & 0x3) == 0);
+    Q_ASSERT((quintptr(dest) & 0x3) == 0);
+    Q_ASSERT((quintptr(src) & 0x3) == 0);
 
     const quint32 a = alpha_4(src);
     if (a == 0xffffffff) {
@@ -4333,8 +4333,8 @@ inline void blend_sourceOver_4(qargb8565 *dest, const qargb8565 *src)
 template <>
 inline void blend_sourceOver_4(qargb8555 *dest, const qargb8555 *src)
 {
-    Q_ASSERT((long(dest) & 0x3) == 0);
-    Q_ASSERT((long(src) & 0x3) == 0);
+    Q_ASSERT((quintptr(dest) & 0x3) == 0);
+    Q_ASSERT((quintptr(src) & 0x3) == 0);
 
     const quint32 a = alpha_4(src);
     if (a == 0xffffffff) {
@@ -4347,8 +4347,8 @@ inline void blend_sourceOver_4(qargb8555 *dest, const qargb8555 *src)
 template <>
 inline void blend_sourceOver_4(qargb6666 *dest, const qargb6666 *src)
 {
-    Q_ASSERT((long(dest) & 0x3) == 0);
-    Q_ASSERT((long(src) & 0x3) == 0);
+    Q_ASSERT((quintptr(dest) & 0x3) == 0);
+    Q_ASSERT((quintptr(src) & 0x3) == 0);
 
     const quint32 a = alpha_4(src);
     if (a == 0xffffffff) {
diff --git a/src/gui/painting/qdrawhelper_p.h b/src/gui/painting/qdrawhelper_p.h
index cb0db4f..2f78b00 100644
--- a/src/gui/painting/qdrawhelper_p.h
+++ b/src/gui/painting/qdrawhelper_p.h
@@ -1649,7 +1649,7 @@ inline void qt_memconvert(qrgb666 *dest, const quint32 *src, int count)
         return;
     }
 
-    const int align = (long(dest) & 3);
+    const int align = (quintptr(dest) & 3);
     switch (align) {
     case 1: *dest++ = qrgb666(*src++); --count;
     case 2: *dest++ = qrgb666(*src++); --count;
diff --git a/src/gui/text/qfontengine.cpp b/src/gui/text/qfontengine.cpp
index c000457..e5975d2 100644
--- a/src/gui/text/qfontengine.cpp
+++ b/src/gui/text/qfontengine.cpp
@@ -587,8 +587,9 @@ QImage QFontEngine::alphaMapForGlyph(glyph_t glyph, const QTransform &t)
 {
     QImage i = alphaMapForGlyph(glyph);
     if (t.type() > QTransform::TxTranslate)
-        i = i.transformed(t);
+        i = i.transformed(t).convertToFormat(QImage::Format_Indexed8);
     Q_ASSERT(i.depth() <= 8); // To verify that transformed didn't change the format...
+
     return i;
 }
 
@@ -597,11 +598,14 @@ QImage QFontEngine::alphaRGBMapForGlyph(glyph_t glyph, int /* margin */, const Q
     QImage alphaMask = alphaMapForGlyph(glyph, t);
     QImage rgbMask(alphaMask.width(), alphaMask.height(), QImage::Format_RGB32);
 
+    QVector<QRgb> colorTable = alphaMask.colorTable();
     for (int y=0; y<alphaMask.height(); ++y) {
         uint *dst = (uint *) rgbMask.scanLine(y);
         uchar *src = (uchar *) alphaMask.scanLine(y);
-        for (int x=0; x<alphaMask.width(); ++x)
-            dst[x] = qRgb(src[x], src[x], src[x]);
+        for (int x=0; x<alphaMask.width(); ++x) {
+            int val = qAlpha(colorTable.at(src[x]));
+            dst[x] = qRgb(val, val, val);
+        }
     }
 
     return rgbMask;
diff --git a/src/gui/text/qfontengine_win.cpp b/src/gui/text/qfontengine_win.cpp
index 1a815d3..55e93bd 100644
--- a/src/gui/text/qfontengine_win.cpp
+++ b/src/gui/text/qfontengine_win.cpp
@@ -208,7 +208,7 @@ void QFontEngineWin::getCMap()
         unitsPerEm = otm->otmEMSquare;
         x_height = (int)otm->otmsXHeight;
         loadKerningPairs(designToDevice);
-        _faceId.filename = QString::fromWCharArray((wchar_t *)((char *)otm + (int)otm->otmpFullName)).toLatin1();
+        _faceId.filename = QString::fromWCharArray((wchar_t *)((char *)otm + (quintptr)otm->otmpFullName)).toLatin1();
         lineWidth = otm->otmsUnderscoreSize;
         fsType = otm->otmfsType;
         free(otm);
@@ -1006,8 +1006,8 @@ QFontEngine::Properties QFontEngineWin::properties() const
     Properties p;
     p.emSquare = unitsPerEm;
     p.italicAngle = otm->otmItalicAngle;
-    p.postscriptName = QString::fromWCharArray((wchar_t *)((char *)otm + (int)otm->otmpFamilyName)).toLatin1();
-    p.postscriptName += QString::fromWCharArray((wchar_t *)((char *)otm + (int)otm->otmpStyleName)).toLatin1();
+    p.postscriptName = QString::fromWCharArray((wchar_t *)((char *)otm + (quintptr)otm->otmpFamilyName)).toLatin1();
+    p.postscriptName += QString::fromWCharArray((wchar_t *)((char *)otm + (quintptr)otm->otmpStyleName)).toLatin1();
 #ifndef QT_NO_PRINTER
     p.postscriptName = QPdf::stripSpecialCharacters(p.postscriptName);
 #endif
diff --git a/src/gui/text/qstatictext.cpp b/src/gui/text/qstatictext.cpp
index a7138b9..952d998 100644
--- a/src/gui/text/qstatictext.cpp
+++ b/src/gui/text/qstatictext.cpp
@@ -356,7 +356,7 @@ QStaticTextPrivate::QStaticTextPrivate()
 QStaticTextPrivate::QStaticTextPrivate(const QStaticTextPrivate &other)
     : text(other.text), font(other.font), maximumSize(other.maximumSize), matrix(other.matrix),
       items(0), itemCount(0), glyphPool(0), positionPool(0), needsClipRect(false),
-      useBackendOptimizations(false), textFormat(other.textFormat)
+      useBackendOptimizations(other.useBackendOptimizations), textFormat(other.textFormat)
 {
     ref = 1;
 }
diff --git a/src/qbase.pri b/src/qbase.pri
index ef5d9e5..835ed0e 100644
--- a/src/qbase.pri
+++ b/src/qbase.pri
@@ -157,6 +157,7 @@ contains(QT_PRODUCT, OpenSource.*):DEFINES *= QT_OPENSOURCE
 DEFINES *= QT_NO_CAST_TO_ASCII QT_ASCII_CAST_WARNINGS
 contains(QT_CONFIG, qt3support):DEFINES *= QT3_SUPPORT
 DEFINES *= QT_MOC_COMPAT #we don't need warnings from calling moc code in our generated code
+DEFINES *= QT_USE_FAST_OPERATOR_PLUS QT_USE_FAST_CONCATENATION
 
 TARGET = $$qtLibraryTarget($$TARGET$$QT_LIBINFIX) #do this towards the end
 
diff --git a/src/qt3support/text/q3richtext.cpp b/src/qt3support/text/q3richtext.cpp
index 21383bd..8614076 100644
--- a/src/qt3support/text/q3richtext.cpp
+++ b/src/qt3support/text/q3richtext.cpp
@@ -6667,7 +6667,7 @@ Q3TextImage::Q3TextImage(Q3TextDocument *p, const QMap<QString, QString> &attr,
         imageName = attr[QLatin1String("source")];
 
     if (!imageName.isEmpty()) {
-        imgId = QString::fromLatin1("%1,%2,%3,%4").arg(imageName).arg(width).arg(height).arg((ulong)&factory);
+        imgId = QString::fromLatin1("%1,%2,%3,%4").arg(imageName).arg(width).arg(height).arg((quintptr)&factory);
         if (!pixmap_map)
             pixmap_map = new QMap<QString, QPixmapInt>;
         if (pixmap_map->contains(imgId)) {
diff --git a/src/qt3support/text/q3textedit.cpp b/src/qt3support/text/q3textedit.cpp
index 7f51bea..d4f75ed 100644
--- a/src/qt3support/text/q3textedit.cpp
+++ b/src/qt3support/text/q3textedit.cpp
@@ -6238,7 +6238,7 @@ void Q3TextEdit::optimParseTags(QString * line, int lineNo, int indexOffset)
                         } else {
                             tmp = tagStack.isEmpty() ? 0 : tagStack.pop();
                             if (!tmp) {
-                                if (((QLatin1Char('/') + cur->tag) == tag->tag) ||
+                                if ((QString(QLatin1Char('/') + cur->tag) == tag->tag) ||
                                      (tag->tag == QLatin1String("/font") && cur->tag.left(4) == QLatin1String("font"))) {
                                     // set up the left and parent of this tag
                                     tag->leftTag = cur;
diff --git a/src/qt3support/text/q3textstream.cpp b/src/qt3support/text/q3textstream.cpp
index 41aab4d..8c86c7c 100644
--- a/src/qt3support/text/q3textstream.cpp
+++ b/src/qt3support/text/q3textstream.cpp
@@ -2084,7 +2084,7 @@ Q3TextStream &Q3TextStream::operator<<( void *ptr )
     setf( hex, basefield );
     setf( showbase );
     unsetf( uppercase );
-    output_int( I_LONG | I_UNSIGNED, (ulong)ptr, FALSE );
+    output_int( I_LONG | I_UNSIGNED, (quintptr)ptr, FALSE );
     flags( f );
     return *this;
 }
diff --git a/src/qt3support/tools/q3gcache.cpp b/src/qt3support/tools/q3gcache.cpp
index a31f827..ada8330 100644
--- a/src/qt3support/tools/q3gcache.cpp
+++ b/src/qt3support/tools/q3gcache.cpp
@@ -226,7 +226,7 @@ public:
     bool  remove_ascii(Q3CacheItem *item)
 	{ return Q3GDict::remove_ascii((const char *)item->key,item); }
     bool  remove_int(Q3CacheItem *item)
-	{ return Q3GDict::remove_int((long)item->key,item);}
+	{ return Q3GDict::remove_int((quintptr)item->key,item);}
 
     void  statistics()			{ Q3GDict::statistics(); }
 
@@ -426,7 +426,7 @@ bool Q3GCache::insert_other(const char *key, Q3PtrCollection::Item data,
     if (keytype == AsciiKey)
 	dict->insert_ascii(key, ci);
     else
-	dict->insert_int((long)key, ci);
+	dict->insert_int((quintptr)key, ci);
     tCost += cost;
     return true;
 }
@@ -486,7 +486,7 @@ Q3PtrCollection::Item Q3GCache::take_other(const char *key)
     if (keytype == AsciiKey)
 	ci = dict->take_ascii(key);
     else
-	ci = dict->take_int((long)key);
+	ci = dict->take_int((quintptr)key);
     Item d;
     if (ci) {
 	d = ci->data;
@@ -563,7 +563,7 @@ Q3PtrCollection::Item Q3GCache::find_string(const QString &key, bool ref) const
 Q3PtrCollection::Item Q3GCache::find_other(const char *key, bool ref) const
 {
     Q3CacheItem *ci = keytype == AsciiKey ? dict->find_ascii(key)
-					 : dict->find_int((long)key);
+					 : dict->find_int((quintptr)key);
 #if defined(QT_DEBUG)
     lruList->finds++;
 #endif
@@ -811,7 +811,7 @@ const char *Q3GCacheIterator::getKeyAscii() const
 long Q3GCacheIterator::getKeyInt() const
 {
     Q3CacheItem *item = it->current();
-    return item ? (long)item->key : 0;
+    return item ? (quintptr)item->key : 0;
 }
 
 /*!
diff --git a/src/qt3support/tools/q3gdict.cpp b/src/qt3support/tools/q3gdict.cpp
index a968407..e8144fe 100644
--- a/src/qt3support/tools/q3gdict.cpp
+++ b/src/qt3support/tools/q3gdict.cpp
@@ -437,7 +437,7 @@ Q3PtrCollection::Item Q3GDict::look_int(long key, Q3PtrCollection::Item d, int o
 Q3PtrCollection::Item Q3GDict::look_ptr(void *key, Q3PtrCollection::Item d, int op)
 {
     Q3PtrBucket *n;
-    int index = (int)((ulong)key % vlen);       // simple hash
+    int index = (int)((quintptr)key % vlen);       // simple hash
     if (op == op_find) {                        // find
         for (n=(Q3PtrBucket*)vec[index]; n;
               n=(Q3PtrBucket*)n->getNext()) {
@@ -650,7 +650,7 @@ Q3PtrBucket *Q3GDict::unlink_ptr(void *key, Q3PtrCollection::Item d)
         return 0;
     Q3PtrBucket *n;
     Q3PtrBucket *prev = 0;
-    int index = (int)((ulong)key % vlen);
+    int index = (int)((quintptr)key % vlen);
     for (n=(Q3PtrBucket *)vec[index]; n; n=(Q3PtrBucket *)n->getNext()) {
         bool found = (n->getKey() == key);
         if (found && d)
diff --git a/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp b/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp
index 5b2b0cf..56eaf25 100644
--- a/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp
+++ b/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp
@@ -137,6 +137,7 @@ private slots:
     void task255652_removeRowsRecursive();
     void taskQTBUG_6205_doubleProxySelectionSetSourceModel();
     void taskQTBUG_7537_appearsAndSort();
+    void taskQTBUG_7716_unnecessaryDynamicSorting();
 
 protected:
     void buildHierarchy(const QStringList &data, QAbstractItemModel *model);
@@ -918,15 +919,16 @@ void tst_QSortFilterProxyModel::removeRows()
     QStandardItemModel model;
     QSortFilterProxyModel proxy;
     proxy.setSourceModel(&model);
-    if (sortOrder != -1)
-        proxy.sort(0, static_cast<Qt::SortOrder>(sortOrder));
-    if (!filter.isEmpty())
-        proxy.setFilterRegExp(QRegExp(filter));
 
     // prepare model
     foreach (QString s, initial)
         model.appendRow(new QStandardItem(s));
 
+    if (sortOrder != -1)
+        proxy.sort(0, static_cast<Qt::SortOrder>(sortOrder));
+    if (!filter.isEmpty())
+        proxy.setFilterRegExp(QRegExp(filter));
+
     // remove the rows
     QCOMPARE(proxy.removeRows(position, count, QModelIndex()), success);
     QCOMPARE(model.rowCount(QModelIndex()), expectedSource.count());
@@ -2419,6 +2421,7 @@ void tst_QSortFilterProxyModel::sortColumnTracking2()
 {
     QStandardItemModel model;
     QSortFilterProxyModel proxyModel;
+    proxyModel.setDynamicSortFilter(true);
     proxyModel.setSourceModel(&model);
 
     proxyModel.sort(0);
@@ -2921,5 +2924,32 @@ void tst_QSortFilterProxyModel::taskQTBUG_7537_appearsAndSort()
     QCOMPARE(spyChanged2.count(), 1);
 }
 
+void tst_QSortFilterProxyModel::taskQTBUG_7716_unnecessaryDynamicSorting()
+{
+    QStringListModel model;
+    const QStringList initial = QString("bravo charlie delta echo").split(" ");
+    model.setStringList(initial);
+    QSortFilterProxyModel proxy;
+    proxy.setDynamicSortFilter(false);
+    proxy.setSourceModel(&model);
+    proxy.sort(Qt::AscendingOrder);
+
+    //append two rows
+    int maxrows = proxy.rowCount(QModelIndex());
+    model.insertRows(maxrows, 2);
+    model.setData(model.index(maxrows, 0), QString("alpha"));
+    model.setData(model.index(maxrows + 1, 0), QString("fondue"));
+
+    //append new items to the initial string list and compare with model
+    QStringList expected = initial;
+    expected << QString("alpha") << QString("fondue");
+
+    //if bug 7716 is present, new rows were prepended, when they should have been appended
+    for (int row = 0; row < proxy.rowCount(QModelIndex()); ++row) {
+        QModelIndex index = proxy.index(row, 0, QModelIndex());
+        QCOMPARE(proxy.data(index, Qt::DisplayRole).toString(), expected.at(row));
+    }
+}
+
 QTEST_MAIN(tst_QSortFilterProxyModel)
 #include "tst_qsortfilterproxymodel.moc"
diff --git a/tests/auto/qstatictext/qstatictext.pro b/tests/auto/qstatictext/qstatictext.pro
index a759a90..0f1ca68 100644
--- a/tests/auto/qstatictext/qstatictext.pro
+++ b/tests/auto/qstatictext/qstatictext.pro
@@ -1,4 +1,4 @@
 load(qttest_p4)
-QT = core gui opengl
+QT = core gui
 SOURCES  += tst_qstatictext.cpp
 
diff --git a/tests/auto/qstringbuilder1/stringbuilder.cpp b/tests/auto/qstringbuilder1/stringbuilder.cpp
index 8e95818..e9ae7a6 100644
--- a/tests/auto/qstringbuilder1/stringbuilder.cpp
+++ b/tests/auto/qstringbuilder1/stringbuilder.cpp
@@ -44,6 +44,14 @@
 // "some literal", but replacing all vocals by their umlauted UTF-8 string :)
 #define UTF8_LITERAL "s\xc3\xb6m\xc3\xab l\xc3\xaft\xc3\xabr\xc3\xa4l"
 
+
+//fix for gcc4.0: if the operator+ does not exist without QT_USE_FAST_OPERATOR_PLUS
+#ifndef QT_USE_FAST_CONCATENATION
+#define Q %
+#else
+#define Q P
+#endif
+
 void runScenario()
 {
     // set codec for C strings to 0, enforcing Latin1
@@ -59,13 +67,13 @@ void runScenario()
     QString r;
     QByteArray ba(LITERAL);
 
-    r = l1literal P l1literal;
+    r = l1literal Q l1literal;
     QCOMPARE(r, r2);
     r = string P string;
     QCOMPARE(r, r2);
-    r = stringref P stringref;
+    r = stringref Q stringref;
     QCOMPARE(r, QString(stringref.toString() + stringref.toString()));
-    r = string P l1literal;
+    r = string Q l1literal;
     QCOMPARE(r, r2);
     r = string P l1string;
     QCOMPARE(r, r2);
diff --git a/tools/assistant/lib/qhelpdbreader.cpp b/tools/assistant/lib/qhelpdbreader.cpp
index 6dd949a..5c0f595 100644
--- a/tools/assistant/lib/qhelpdbreader.cpp
+++ b/tools/assistant/lib/qhelpdbreader.cpp
@@ -205,7 +205,7 @@ QByteArray QHelpDBReader::fileData(const QString &virtualFolder,
         "NamespaceTable d WHERE a.Id=b.FileId AND (b.Name=? OR b.Name=?) AND b.FolderId=c.Id "
         "AND c.Name=? AND c.NamespaceId=d.Id AND d.Name=?"));
     m_query->bindValue(0, filePath);
-    m_query->bindValue(1, QLatin1String("./") + filePath);
+    m_query->bindValue(1, QString(QLatin1String("./") + filePath));
     m_query->bindValue(2, virtualFolder);
     m_query->bindValue(3, m_namespace);
     m_query->exec();