Merge commit 'origin/master'

Conflicts:
	src/corelib/global/qglobal.h
	src/corelib/kernel/qmetatype.cpp
	src/corelib/kernel/qobject.cpp
	src/corelib/thread/qthread_unix.cpp
	src/gui/graphicsview/qgraphicssceneevent.h
	src/gui/itemviews/qheaderview.h
	src/gui/kernel/qapplication_qws.cpp
	src/gui/kernel/qgesture.h
	src/gui/kernel/qgesturerecognizer.h
	src/gui/painting/qpaintengine_raster.cpp
	src/network/access/qhttpnetworkreply.cpp
	src/network/access/qnetworkcookie.h
	src/network/socket/qnativesocketengine_unix.cpp

23 files changed, 139 insertions, 77 deletions

diff --git a/src/corelib/kernel/qabstracteventdispatcher.h b/src/corelib/kernel/qabstracteventdispatcher.h
index 0550dde..93815f6 100644
--- a/src/corelib/kernel/qabstracteventdispatcher.h
+++ b/src/corelib/kernel/qabstracteventdispatcher.h
@@ -58,7 +58,7 @@ template <typename T1, typename T2> struct QPair;
 class Q_CORE_EXPORT QAbstractEventDispatcher : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QAbstractEventDispatcher)
+    Q_DECLARE_SCOPED_PRIVATE(QAbstractEventDispatcher)
 
 public:
     typedef QPair<int, int> TimerInfo;
diff --git a/src/corelib/kernel/qabstractitemmodel.h b/src/corelib/kernel/qabstractitemmodel.h
index a6bbff4..2503393 100644
--- a/src/corelib/kernel/qabstractitemmodel.h
+++ b/src/corelib/kernel/qabstractitemmodel.h
@@ -287,7 +287,7 @@ protected:
     void setRoleNames(const QHash<int,QByteArray> &roleNames);
 
 private:
-    Q_DECLARE_PRIVATE(QAbstractItemModel)
+    Q_DECLARE_SCOPED_PRIVATE(QAbstractItemModel)
     Q_DISABLE_COPY(QAbstractItemModel)
 };
 
diff --git a/src/corelib/kernel/qcore_symbian_p.cpp b/src/corelib/kernel/qcore_symbian_p.cpp
index a3a85b0..c681b1f 100644
--- a/src/corelib/kernel/qcore_symbian_p.cpp
+++ b/src/corelib/kernel/qcore_symbian_p.cpp
@@ -61,13 +61,12 @@ Q_CORE_EXPORT HBufC* qt_QString2HBufC(const QString& aString)
 #else
     TPtrC16 ptr(qt_QString2TPtrC(aString));
 #endif
-    buffer = HBufC::New(ptr.Length());
-    Q_CHECK_PTR(buffer);
+    buffer = q_check_ptr(HBufC::New(ptr.Length()));
     buffer->Des().Copy(ptr);
     return buffer;
 }
 
-Q_CORE_EXPORT QString qt_TDesC2QStringL(const TDesC& aDescriptor)
+Q_CORE_EXPORT QString qt_TDesC2QString(const TDesC& aDescriptor)
 {
 #ifdef QT_NO_UNICODE
     return QString::fromLocal8Bit(aDescriptor.Ptr(), aDescriptor.Length());
@@ -82,9 +81,8 @@ QHBufC::QHBufC()
 }
 
 QHBufC::QHBufC(const QHBufC &src)
+	: m_hBufC(q_check_ptr(src.m_hBufC->Alloc()))
 {
-    m_hBufC = src.m_hBufC->Alloc();
-    Q_CHECK_PTR(m_hBufC);
 }
 
 /*!
diff --git a/src/corelib/kernel/qcore_symbian_p.h b/src/corelib/kernel/qcore_symbian_p.h
index bd8f304..453c3d3 100644
--- a/src/corelib/kernel/qcore_symbian_p.h
+++ b/src/corelib/kernel/qcore_symbian_p.h
@@ -65,8 +65,8 @@ QT_BEGIN_NAMESPACE
 
 Q_CORE_EXPORT HBufC* qt_QString2HBufC(const QString& aString);
 
-Q_CORE_EXPORT QString qt_TDesC2QStringL(const TDesC& aDescriptor);
-inline QString qt_TDes2QStringL(const TDes& aDescriptor) { return qt_TDesC2QStringL(aDescriptor); }
+Q_CORE_EXPORT QString qt_TDesC2QString(const TDesC& aDescriptor);
+inline QString qt_TDes2QString(const TDes& aDescriptor) { return qt_TDesC2QString(aDescriptor); }
 
 static inline QSize qt_TSize2QSize(const TSize& ts)
 {
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index b84ad53..4a1da35 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -1119,6 +1119,9 @@ void QCoreApplication::postEvent(QObject *receiver, QEvent *event, int priority)
         event->d = reinterpret_cast<QEventPrivate *>(quintptr(data->loopLevel));
     }
 
+    // delete the event on exceptions to protect against memory leaks till the event is 
+    // properly owned in the postEventList
+    QScopedPointer<QEvent> eventDeleter(event);
     if (data->postEventList.isEmpty() || data->postEventList.last().priority >= priority) {
         // optimization: we can simply append if the last event in
         // the queue has higher or equal priority
@@ -1133,6 +1136,7 @@ void QCoreApplication::postEvent(QObject *receiver, QEvent *event, int priority)
         QPostEventList::iterator at = qUpperBound(begin, end, priority);
         data->postEventList.insert(at, QPostEvent(receiver, event, priority));
     }
+    eventDeleter.take();
     event->posted = true;
     ++receiver->d_func()->postedEvents;
     data->canWait = false;
diff --git a/src/corelib/kernel/qcoreapplication.h b/src/corelib/kernel/qcoreapplication.h
index 48e65a7..60b0882 100644
--- a/src/corelib/kernel/qcoreapplication.h
+++ b/src/corelib/kernel/qcoreapplication.h
@@ -76,7 +76,7 @@ class Q_CORE_EXPORT QCoreApplication : public QObject
     Q_PROPERTY(QString organizationName READ organizationName WRITE setOrganizationName)
     Q_PROPERTY(QString organizationDomain READ organizationDomain WRITE setOrganizationDomain)
 
-    Q_DECLARE_PRIVATE(QCoreApplication)
+    Q_DECLARE_SCOPED_PRIVATE(QCoreApplication)
 public:
     QCoreApplication(int &argc, char **argv);
     ~QCoreApplication();
diff --git a/src/corelib/kernel/qeventdispatcher_glib_p.h b/src/corelib/kernel/qeventdispatcher_glib_p.h
index 80ec9fa..bcb655b 100644
--- a/src/corelib/kernel/qeventdispatcher_glib_p.h
+++ b/src/corelib/kernel/qeventdispatcher_glib_p.h
@@ -67,7 +67,7 @@ class QEventDispatcherGlibPrivate;
 class Q_CORE_EXPORT QEventDispatcherGlib : public QAbstractEventDispatcher
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QEventDispatcherGlib)
+    Q_DECLARE_SCOPED_PRIVATE(QEventDispatcherGlib)
 
 public:
     explicit QEventDispatcherGlib(QObject *parent = 0);
diff --git a/src/corelib/kernel/qeventdispatcher_symbian.cpp b/src/corelib/kernel/qeventdispatcher_symbian.cpp
index 34a20da..e876843 100644
--- a/src/corelib/kernel/qeventdispatcher_symbian.cpp
+++ b/src/corelib/kernel/qeventdispatcher_symbian.cpp
@@ -194,7 +194,7 @@ void QWakeUpActiveObject::RunL()
 {
     iStatus = KRequestPending;
     SetActive();
-    QT_TRANSLATE_EXCEPTION_TO_SYMBIAN_LEAVE(m_dispatcher->wakeUpWasCalled());
+    QT_TRYCATCH_LEAVING(m_dispatcher->wakeUpWasCalled());
 }
 
 QTimerActiveObject::QTimerActiveObject(QEventDispatcherSymbian *dispatcher, SymbianTimerInfo *timerInfo)
@@ -224,7 +224,7 @@ void QTimerActiveObject::DoCancel()
 void QTimerActiveObject::RunL()
 {
     int error;
-    QT_TRANSLATE_EXCEPTION_TO_SYMBIAN_ERROR(error, Run());
+    QT_TRYCATCH_ERROR(error, Run());
     if (error < 0) {
         CActiveScheduler::Current()->Error(error);  // stop and report here, as this timer will be deleted on scope exit
     }
@@ -274,6 +274,11 @@ void QTimerActiveObject::Start()
     }
 }
 
+SymbianTimerInfo::SymbianTimerInfo()
+: timerAO(0)
+{
+}
+
 SymbianTimerInfo::~SymbianTimerInfo()
 {
     delete timerAO;
@@ -314,7 +319,7 @@ void QCompleteDeferredAOs::RunL()
     iStatus = KRequestPending;
     SetActive();
 
-    QT_TRANSLATE_EXCEPTION_TO_SYMBIAN_LEAVE(m_dispatcher->reactivateDeferredActiveObjects());
+    QT_TRYCATCH_LEAVING(m_dispatcher->reactivateDeferredActiveObjects());
 }
 
 QSelectThread::QSelectThread()
@@ -587,7 +592,7 @@ void QSocketActiveObject::RunL()
     if (!okToRun())
         return;
 
-    QT_TRANSLATE_EXCEPTION_TO_SYMBIAN_LEAVE(m_dispatcher->socketFired(this));
+    QT_TRYCATCH_LEAVING(m_dispatcher->socketFired(this));
 }
 
 void QSocketActiveObject::deleteLater()
@@ -619,11 +624,11 @@ QEventDispatcherSymbian::~QEventDispatcherSymbian()
 void QEventDispatcherSymbian::startingUp()
 {
     if( !CActiveScheduler::Current() ) {
-        m_activeScheduler = new(ELeave)CQtActiveScheduler();
+        m_activeScheduler = q_check_ptr(new CQtActiveScheduler());	// CBase derived class needs to be checked on new
         CActiveScheduler::Install(m_activeScheduler);
     }
-    m_wakeUpAO = new(ELeave) QWakeUpActiveObject(this);
-    m_completeDeferredAOs = new(ELeave) QCompleteDeferredAOs(this);
+    m_wakeUpAO = q_check_ptr(new QWakeUpActiveObject(this));
+    m_completeDeferredAOs = q_check_ptr(new QCompleteDeferredAOs(this));
     // We already might have posted events, wakeup once to process them
     wakeUp();
 }
@@ -647,7 +652,7 @@ bool QEventDispatcherSymbian::processEvents ( QEventLoop::ProcessEventsFlags fla
 
     QT_TRY {
         Q_D(QAbstractEventDispatcher);
-    
+
         // It is safe if this counter overflows. The main importance is that each
         // iteration count is different from the last.
         m_iterationCount++;
@@ -742,7 +747,7 @@ bool QEventDispatcherSymbian::processEvents ( QEventLoop::ProcessEventsFlags fla
         m_noSocketEvents = oldNoSocketEventsValue;
     } QT_CATCH (const std::exception& ex) {
 #ifndef QT_NO_EXCEPTIONS
-        CActiveScheduler::Current()->Error(qt_translateExceptionToSymbianError(ex));
+        CActiveScheduler::Current()->Error(qt_exception2SymbianError(ex));
 #endif
     }
 
@@ -896,7 +901,7 @@ bool QEventDispatcherSymbian::hasPendingEvents()
 
 void QEventDispatcherSymbian::registerSocketNotifier ( QSocketNotifier * notifier )
 {
-    QSocketActiveObject *socketAO = new (ELeave) QSocketActiveObject(this, notifier);
+    QSocketActiveObject *socketAO = q_check_ptr(new QSocketActiveObject(this, notifier));
     m_notifiers.insert(notifier, socketAO);
     m_selectThread.requestSocketEvents(notifier, &socketAO->iStatus);
 }
@@ -930,7 +935,7 @@ void QEventDispatcherSymbian::registerTimer ( int timerId, int interval, QObject
     timer->inTimerEvent = false;
     timer->receiver     = object;
     timer->dispatcher   = this;
-    timer->timerAO      = new(ELeave) QTimerActiveObject(this, timer.data());
+    timer->timerAO      = q_check_ptr(new QTimerActiveObject(this, timer.data()));
     m_timerList.insert(timerId, timer);
 
     timer->timerAO->Start();
@@ -952,16 +957,20 @@ bool QEventDispatcherSymbian::unregisterTimer ( int timerId )
 
 bool QEventDispatcherSymbian::unregisterTimers ( QObject * object )
 {
-    QList<TimerInfo> idsToRemove = registeredTimers(object);
-
-    if (idsToRemove.isEmpty())
+    if (m_timerList.isEmpty())
         return false;
 
-    for (int c = 0; c < idsToRemove.size(); ++c) {
-        unregisterTimer(idsToRemove[c].first);
+    bool unregistered = false;
+    for (QHash<int, SymbianTimerInfoPtr>::iterator i = m_timerList.begin(); i != m_timerList.end(); ) {
+        if ((*i)->receiver == object) {
+            i = m_timerList.erase(i);
+            unregistered = true;
+        } else {
+            ++i;
+        }
     }
 
-    return true;
+    return unregistered;
 }
 
 QList<QEventDispatcherSymbian::TimerInfo> QEventDispatcherSymbian::registeredTimers ( QObject * object ) const
@@ -993,4 +1002,3 @@ void CQtActiveScheduler::Error(TInt aError) const
 }
 
 QT_END_NAMESPACE
-
diff --git a/src/corelib/kernel/qeventdispatcher_symbian_p.h b/src/corelib/kernel/qeventdispatcher_symbian_p.h
index b39d6df..310d74d 100644
--- a/src/corelib/kernel/qeventdispatcher_symbian_p.h
+++ b/src/corelib/kernel/qeventdispatcher_symbian_p.h
@@ -112,6 +112,7 @@ private:
 
 struct SymbianTimerInfo : public QSharedData
 {
+    SymbianTimerInfo();
     ~SymbianTimerInfo();
 
     int timerId;
@@ -183,7 +184,7 @@ private:
 
 class QSelectThread : public QThread
 {
-    Q_DECLARE_PRIVATE(QThread)
+    Q_DECLARE_SCOPED_PRIVATE(QThread)
 
 public:
     QSelectThread();
@@ -217,7 +218,7 @@ public: // from CActiveScheduler
 
 class Q_CORE_EXPORT QEventDispatcherSymbian : public QAbstractEventDispatcher
 {
-    Q_DECLARE_PRIVATE(QAbstractEventDispatcher)
+    Q_DECLARE_SCOPED_PRIVATE(QAbstractEventDispatcher)
 
 public:
     QEventDispatcherSymbian(QObject *parent = 0);
diff --git a/src/corelib/kernel/qeventdispatcher_unix_p.h b/src/corelib/kernel/qeventdispatcher_unix_p.h
index a52af00..70c287f 100644
--- a/src/corelib/kernel/qeventdispatcher_unix_p.h
+++ b/src/corelib/kernel/qeventdispatcher_unix_p.h
@@ -142,7 +142,7 @@ class QEventDispatcherUNIXPrivate;
 class Q_CORE_EXPORT QEventDispatcherUNIX : public QAbstractEventDispatcher
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QEventDispatcherUNIX)
+    Q_DECLARE_SCOPED_PRIVATE(QEventDispatcherUNIX)
 
 public:
     explicit QEventDispatcherUNIX(QObject *parent = 0);
diff --git a/src/corelib/kernel/qeventdispatcher_win_p.h b/src/corelib/kernel/qeventdispatcher_win_p.h
index ca5dbf8..37578a0 100644
--- a/src/corelib/kernel/qeventdispatcher_win_p.h
+++ b/src/corelib/kernel/qeventdispatcher_win_p.h
@@ -67,7 +67,7 @@ LRESULT CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp)
 class Q_CORE_EXPORT QEventDispatcherWin32 : public QAbstractEventDispatcher
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QEventDispatcherWin32)
+    Q_DECLARE_SCOPED_PRIVATE(QEventDispatcherWin32)
 
     void createInternalHwnd();
     friend class QGuiEventDispatcherWin32;
diff --git a/src/corelib/kernel/qeventloop.h b/src/corelib/kernel/qeventloop.h
index 60d00df..e14e352 100644
--- a/src/corelib/kernel/qeventloop.h
+++ b/src/corelib/kernel/qeventloop.h
@@ -55,7 +55,7 @@ class QEventLoopPrivate;
 class Q_CORE_EXPORT QEventLoop : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QEventLoop)
+    Q_DECLARE_SCOPED_PRIVATE(QEventLoop)
 
 public:
     explicit QEventLoop(QObject *parent = 0);
diff --git a/src/corelib/kernel/qmetaobject.cpp b/src/corelib/kernel/qmetaobject.cpp
index 9ff0bc1..7f8d2e8 100644
--- a/src/corelib/kernel/qmetaobject.cpp
+++ b/src/corelib/kernel/qmetaobject.cpp
@@ -1571,7 +1571,9 @@ bool QMetaMethod::invoke(QObject *object,
 
         int nargs = 1; // include return type
         void **args = (void **) qMalloc(paramCount * sizeof(void *));
+        Q_CHECK_PTR(args);
         int *types = (int *) qMalloc(paramCount * sizeof(int));
+        Q_CHECK_PTR(types);
         types[0] = 0; // return type
         args[0] = 0;
 
diff --git a/src/corelib/kernel/qmimedata.h b/src/corelib/kernel/qmimedata.h
index 609528a..9366c5d 100644
--- a/src/corelib/kernel/qmimedata.h
+++ b/src/corelib/kernel/qmimedata.h
@@ -94,7 +94,7 @@ protected:
                                       QVariant::Type preferredType) const;
 private:
     Q_DISABLE_COPY(QMimeData)
-    Q_DECLARE_PRIVATE(QMimeData)
+    Q_DECLARE_SCOPED_PRIVATE(QMimeData)
 };
 
 QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index e849227..2630b63 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -72,6 +72,7 @@ static int DIRECT_CONNECTION_ONLY = 0;
 static int *queuedConnectionTypes(const QList<QByteArray> &typeNames)
 {
     int *types = new int [typeNames.count() + 1];
+    Q_CHECK_PTR(types);
     for (int i = 0; i < typeNames.count(); ++i) {
         const QByteArray typeName = typeNames.at(i);
         if (typeName.endsWith('*'))
@@ -405,6 +406,10 @@ void QMetaObject::changeGuard(QObject **ptr, QObject *o)
         return;
     }
     QMutexLocker locker(guardHashLock());
+    if (o) {
+        hash->insert(o, ptr);
+        QObjectPrivate::get(o)->hasGuards = true;
+    }
     if (*ptr) {
         bool more = false; //if the QObject has more pointer attached to it.
         GuardHash::iterator it = hash->find(*ptr);
@@ -421,10 +426,6 @@ void QMetaObject::changeGuard(QObject **ptr, QObject *o)
             QObjectPrivate::get(*ptr)->hasGuards = false;
     }
     *ptr = o;
-    if (*ptr) {
-        hash->insert(*ptr, ptr);
-        QObjectPrivate::get(*ptr)->hasGuards = true;
-    }
 }
 
 /*! \internal
@@ -685,12 +686,18 @@ QObject::QObject(QObject *parent)
     : d_ptr(new QObjectPrivate)
 {
     Q_D(QObject);
-    qt_addObject(d_ptr->q_ptr = this);
+    d_ptr->q_ptr = this;
     d->threadData = (parent && !parent->thread()) ? parent->d_func()->threadData : QThreadData::current();
     d->threadData->ref();
-    if (!check_parent_thread(parent, parent ? parent->d_func()->threadData : 0, d->threadData))
-        parent = 0;
-    setParent(parent);
+    QT_TRY {
+        if (!check_parent_thread(parent, parent ? parent->d_func()->threadData : 0, d->threadData))
+            parent = 0;
+        setParent(parent);
+    } QT_CATCH(...) {
+        d->threadData->deref();
+        QT_RETHROW;
+    }
+    qt_addObject(this);
 }
 
 #ifdef QT3_SUPPORT
@@ -720,20 +727,26 @@ QObject::QObject(QObjectPrivate &dd, QObject *parent)
     : d_ptr(&dd)
 {
     Q_D(QObject);
-    qt_addObject(d_ptr->q_ptr = this);
+    d_ptr->q_ptr = this;
     d->threadData = (parent && !parent->thread()) ? parent->d_func()->threadData : QThreadData::current();
     d->threadData->ref();
-    if (!check_parent_thread(parent, parent ? parent->d_func()->threadData : 0, d->threadData))
-        parent = 0;
-    if (d->isWidget) {
-        if (parent) {
-            d->parent = parent;
-            d->parent->d_func()->children.append(this);
+    QT_TRY {
+        if (!check_parent_thread(parent, parent ? parent->d_func()->threadData : 0, d->threadData))
+            parent = 0;
+        if (d->isWidget) {
+            if (parent) {
+                d->parent = parent;
+                d->parent->d_func()->children.append(this);
+            }
+            // no events sent here, this is done at the end of the QWidget constructor
+        } else {
+            setParent(parent);
         }
-        // no events sent here, this is done at the end of the QWidget constructor
-    } else {
-        setParent(parent);
+    } QT_CATCH(...) {
+        d->threadData->deref();
+        QT_RETHROW;
     }
+    qt_addObject(this);
 }
 
 /*!
@@ -785,11 +798,26 @@ QObject::~QObject()
         // all the signal/slots connections are still in place - if we don't
         // quit now, we will crash pretty soon.
         qWarning("Detected an unexpected exception in ~QObject while emitting destroyed().");
+#if defined(Q_AUTOTEST_EXPORT) && !defined(QT_NO_EXCEPTIONS)
+        struct AutotestException : public std::exception
+        {
+            const char *what() const throw() { return "autotest swallow"; }
+        } autotestException;
+        // throw autotestException;
+
+#else
         QT_RETHROW;
+#endif
     }
 
     {
-        QMutexLocker locker(signalSlotLock(this));
+        QMutex *signalSlotMutex = 0;
+        QT_TRY {
+            signalSlotMutex = signalSlotLock(this);
+        } QT_CATCH(const std::bad_alloc &) {
+            // out of memory - swallow to prevent a crash
+        }
+        QMutexLocker locker(signalSlotMutex);
 
         // set ref to zero to indicate that this object has been deleted
         if (d->currentSender != 0)
@@ -2709,8 +2737,14 @@ bool QObject::disconnect(const QObject *sender, const char *signal,
     QByteArray signal_name;
     bool signal_found = false;
     if (signal) {
-        signal_name = QMetaObject::normalizedSignature(signal);
-        signal = signal_name;
+        QT_TRY {
+            signal_name = QMetaObject::normalizedSignature(signal);
+            signal = signal_name.constData();
+        } QT_CATCH (const std::bad_alloc &) {
+            // if the signal is already normalized, we can continue.
+            if (sender->metaObject()->indexOfSignal(signal + 1) == -1)
+                QT_RETHROW;
+        }
 
         if (!check_signal_macro(sender, signal, "disconnect", "unbind"))
             return false;
@@ -2722,8 +2756,15 @@ bool QObject::disconnect(const QObject *sender, const char *signal,
     int membcode = -1;
     bool method_found = false;
     if (method) {
-        method_name = QMetaObject::normalizedSignature(method);
-        method = method_name;
+        QT_TRY {
+            method_name = QMetaObject::normalizedSignature(method);
+            method = method_name.constData();
+        } QT_CATCH(const std::bad_alloc &) {
+            // if the method is already normalized, we can continue.
+            if (receiver->metaObject()->indexOfMethod(method + 1) == -1)
+                QT_RETHROW;
+        }
+
         membcode = extract_code(method);
         if (!check_method_code(membcode, receiver, method, "disconnect"))
             return false;
@@ -2882,14 +2923,20 @@ bool QMetaObject::connect(const QObject *sender, int signal_index,
     c->method = method_index;
     c->connectionType = type;
     c->argumentTypes = types;
+
+    QT_TRY {
+        s->d_func()->addConnection(signal_index, c);
+    } QT_CATCH(...) {
+        delete c;
+        QT_RETHROW;
+    }
+
     c->prev = &r->d_func()->senders;
     c->next = *c->prev;
     *c->prev = c;
     if (c->next)
         c->next->prev = &c->next;
 
-    s->d_func()->addConnection(signal_index, c);
-
     if (signal_index < 0) {
         for (uint i = 0; i < (sizeof sender->d_func()->connectedSignals
                               / sizeof sender->d_func()->connectedSignals[0] ); ++i)
@@ -3081,7 +3128,9 @@ static void queued_activate(QObject *sender, int signal, QObjectPrivate::Connect
     while (c->argumentTypes[nargs-1])
         ++nargs;
     int *types = (int *) qMalloc(nargs*sizeof(int));
+    Q_CHECK_PTR(types);
     void **args = (void **) qMalloc(nargs*sizeof(void *));
+    Q_CHECK_PTR(args);
     types[0] = 0; // return type
     args[0] = 0; // return value
     for (int n = 1; n < nargs; ++n)
diff --git a/src/corelib/kernel/qobject.h b/src/corelib/kernel/qobject.h
index a9f005b..200c97d 100644
--- a/src/corelib/kernel/qobject.h
+++ b/src/corelib/kernel/qobject.h
@@ -118,7 +118,7 @@ class Q_CORE_EXPORT QObject
 {
     Q_OBJECT
     Q_PROPERTY(QString objectName READ objectName WRITE setObjectName)
-    Q_DECLARE_PRIVATE(QObject)
+    Q_DECLARE_SCOPED_PRIVATE(QObject)
 
 public:
     Q_INVOKABLE explicit QObject(QObject *parent=0);
diff --git a/src/corelib/kernel/qsharedmemory.h b/src/corelib/kernel/qsharedmemory.h
index 4957c3e..0e15ebe 100644
--- a/src/corelib/kernel/qsharedmemory.h
+++ b/src/corelib/kernel/qsharedmemory.h
@@ -57,7 +57,7 @@ class QSharedMemoryPrivate;
 class Q_CORE_EXPORT QSharedMemory : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QSharedMemory)
+    Q_DECLARE_SCOPED_PRIVATE(QSharedMemory)
 
 public:
     enum AccessMode
diff --git a/src/corelib/kernel/qsignalmapper.h b/src/corelib/kernel/qsignalmapper.h
index 7bc5035..8c1f663 100644
--- a/src/corelib/kernel/qsignalmapper.h
+++ b/src/corelib/kernel/qsignalmapper.h
@@ -56,7 +56,7 @@ class QSignalMapperPrivate;
 class Q_CORE_EXPORT QSignalMapper : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QSignalMapper)
+    Q_DECLARE_SCOPED_PRIVATE(QSignalMapper)
 public:
     explicit QSignalMapper(QObject *parent = 0);
     ~QSignalMapper();
diff --git a/src/corelib/kernel/qsocketnotifier.h b/src/corelib/kernel/qsocketnotifier.h
index 96dda35..bc5d97d 100644
--- a/src/corelib/kernel/qsocketnotifier.h
+++ b/src/corelib/kernel/qsocketnotifier.h
@@ -53,7 +53,7 @@ QT_MODULE(Core)
 class Q_CORE_EXPORT QSocketNotifier : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QObject)
+    Q_DECLARE_SCOPED_PRIVATE(QObject)
 
 public:
     enum Type { Read, Write, Exception };
diff --git a/src/corelib/kernel/qsystemsemaphore_symbian.cpp b/src/corelib/kernel/qsystemsemaphore_symbian.cpp
index 8179046..1516841 100644
--- a/src/corelib/kernel/qsystemsemaphore_symbian.cpp
+++ b/src/corelib/kernel/qsystemsemaphore_symbian.cpp
@@ -47,7 +47,7 @@
 #include <qcore_symbian_p.h>
 #include <e32cmn.h>
 QT_BEGIN_NAMESPACE
-        
+
 #ifndef QT_NO_SYSTEMSEMAPHORE
 
 QSystemSemaphorePrivate::QSystemSemaphorePrivate() :
@@ -65,7 +65,7 @@ void QSystemSemaphorePrivate::setErrorString(const QString &function, int err)
         errorString = QCoreApplication::tr("%1: already exists", "QSystemSemaphore").arg(function);
         error = QSystemSemaphore::AlreadyExists;
     break;
-    case KErrNotFound:    
+    case KErrNotFound:
         errorString = QCoreApplication::tr("%1: doesn't exists", "QSystemSemaphore").arg(function);
         error = QSystemSemaphore::NotFound;
     break;
diff --git a/src/corelib/kernel/qtranslator.h b/src/corelib/kernel/qtranslator.h
index b4cea18..1f94210 100644
--- a/src/corelib/kernel/qtranslator.h
+++ b/src/corelib/kernel/qtranslator.h
@@ -86,7 +86,7 @@ public:
 
 private:
     Q_DISABLE_COPY(QTranslator)
-    Q_DECLARE_PRIVATE(QTranslator)
+    Q_DECLARE_SCOPED_PRIVATE(QTranslator)
 };
 
 #endif // QT_NO_TRANSLATION
diff --git a/src/corelib/kernel/qvariant.cpp b/src/corelib/kernel/qvariant.cpp
index b487615..5016d3b 100644
--- a/src/corelib/kernel/qvariant.cpp
+++ b/src/corelib/kernel/qvariant.cpp
@@ -156,7 +156,7 @@ static void construct(QVariant::Private *x, const void *copy)
         x->data.b = copy ? *static_cast<const bool *>(copy) : false;
         break;
     case QVariant::Double:
-#if defined(Q_CC_RVCT) 
+#if defined(Q_CC_RVCT)
         // Using trinary operator with 64bit constants crashes when ran on Symbian device
         if (copy){
             x->data.d = *static_cast<const double*>(copy);
@@ -165,13 +165,13 @@ static void construct(QVariant::Private *x, const void *copy)
         }
 #else
         x->data.d = copy ? *static_cast<const double*>(copy) : 0.0;
-#endif        
+#endif
         break;
     case QMetaType::Float:
         x->data.f = copy ? *static_cast<const float*>(copy) : 0.0f;
         break;
     case QVariant::LongLong:
-#if defined(Q_CC_RVCT) 
+#if defined(Q_CC_RVCT)
         // Using trinary operator with 64bit constants crashes when ran on Symbian device
         if (copy){
             x->data.ll = *static_cast<const qlonglong *>(copy);
@@ -180,10 +180,10 @@ static void construct(QVariant::Private *x, const void *copy)
         }
 #else
         x->data.ll = copy ? *static_cast<const qlonglong *>(copy) : Q_INT64_C(0);
-#endif        
+#endif
         break;
     case QVariant::ULongLong:
-#if defined(Q_CC_RVCT) 
+#if defined(Q_CC_RVCT)
         // Using trinary operator with 64bit constants crashes when ran on Symbian device
         if (copy){
             x->data.ull = *static_cast<const qulonglong *>(copy);
@@ -192,7 +192,7 @@ static void construct(QVariant::Private *x, const void *copy)
         }
 #else
         x->data.ull = copy ? *static_cast<const qulonglong *>(copy) : Q_UINT64_C(0);
-#endif        
+#endif
         break;
     case QVariant::Invalid:
     case QVariant::UserType:
@@ -618,7 +618,7 @@ static bool convert(const QVariant::Private *d, QVariant::Type t, void *result,
         ok = &dummy;
 
     switch (uint(t)) {
-    case QVariant::Url: 
+    case QVariant::Url:
         switch (d->type) {
         case QVariant::String:
             *static_cast<QUrl *>(result) = QUrl(*v_cast<QString>(d));
@@ -1214,8 +1214,8 @@ const QVariant::Handler *QVariant::handler = &qt_kernel_variant_handler;
     and versatile, but may prove less memory and speed efficient than
     storing specific types in standard data structures.
 
-    QVariant also supports the notion of null values, where you can 
-    have a defined type with no value set. However, note that QVariant 
+    QVariant also supports the notion of null values, where you can
+    have a defined type with no value set. However, note that QVariant
     types can only be cast when they have had a value set.
 
     \snippet doc/src/snippets/code/src_corelib_kernel_qvariant.cpp 1
diff --git a/src/corelib/kernel/qwineventnotifier_p.h b/src/corelib/kernel/qwineventnotifier_p.h
index 07aa0ae..2c8934f 100644
--- a/src/corelib/kernel/qwineventnotifier_p.h
+++ b/src/corelib/kernel/qwineventnotifier_p.h
@@ -61,7 +61,7 @@ QT_BEGIN_NAMESPACE
 class Q_CORE_EXPORT QWinEventNotifier : public QObject
 {
     Q_OBJECT
-    Q_DECLARE_PRIVATE(QObject)
+    Q_DECLARE_SCOPED_PRIVATE(QObject)
 
 public:
     explicit QWinEventNotifier(QObject *parent = 0);