4 files changed, 36 insertions, 4 deletions
diff --git a/src/corelib/io/qfilesystemwatcher_inotify.cpp b/src/corelib/io/qfilesystemwatcher_inotify.cpp
index dc18ae7..25ff2b6 100644
--- a/src/corelib/io/qfilesystemwatcher_inotify.cpp
+++ b/src/corelib/io/qfilesystemwatcher_inotify.cpp
@@ -356,7 +356,7 @@ void QInotifyFileSystemWatcherEngine::readFromInotify()
     char *at = buffer.data();
     char * const end = at + buffSize;
 
-    QMap<int, inotify_event *> eventForId;
+    QHash<int, inotify_event *> eventForId;
     while (at < end) {
         inotify_event *event = reinterpret_cast<inotify_event *>(at);
 
@@ -368,7 +368,7 @@ void QInotifyFileSystemWatcherEngine::readFromInotify()
         at += sizeof(inotify_event) + event->len;
     }
 
-    QMap<int, inotify_event *>::const_iterator it = eventForId.constBegin();
+    QHash<int, inotify_event *>::const_iterator it = eventForId.constBegin();
     while (it != eventForId.constEnd()) {
         const inotify_event &event = **it;
         ++it;
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index f508c0a..adbbad2 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -140,6 +140,7 @@ static void create_current_thread_data_key()
 
 static void destroy_current_thread_data_key()
 {
+    pthread_once(&current_thread_data_once, create_current_thread_data_key);
     pthread_key_delete(current_thread_data_key);
 }
 Q_DESTRUCTOR_FUNCTION(destroy_current_thread_data_key)
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 1dab738..67e2cbb 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -1053,7 +1053,12 @@ const QString qt_reg_winclass(QWidget *w)        // register window class
     if (winclassNames()->contains(cname))        // already registered in our list
         return cname;
 
+#ifndef Q_WS_WINCE
+    WNDCLASSEX wc;
+    wc.cbSize       = sizeof(WNDCLASSEX);
+#else
     WNDCLASS wc;
+#endif
     wc.style        = style;
     wc.lpfnWndProc  = (WNDPROC)QtWndProc;
     wc.cbClsExtra   = 0;
@@ -1062,11 +1067,20 @@ const QString qt_reg_winclass(QWidget *w)        // register window class
     if (icon) {
         wc.hIcon = (HICON)LoadImage(qWinAppInst(), L"IDI_ICON1", IMAGE_ICON, 0, 0, LR_DEFAULTSIZE);
 #ifndef Q_WS_WINCE
-        if (!wc.hIcon)
+        if (wc.hIcon) {
+            int sw = GetSystemMetrics(SM_CXSMICON);
+            int sh = GetSystemMetrics(SM_CYSMICON);
+            wc.hIconSm = (HICON)LoadImage(qWinAppInst(), L"IDI_ICON1", IMAGE_ICON, sw, sh, 0);
+        } else {
             wc.hIcon = (HICON)LoadImage(0, IDI_APPLICATION, IMAGE_ICON, 0, 0, LR_DEFAULTSIZE | LR_SHARED);
+            wc.hIconSm = 0;
+        }
 #endif
     } else {
         wc.hIcon    = 0;
+#ifndef Q_WS_WINCE
+        wc.hIconSm  = 0;
+#endif
     }
     wc.hCursor      = 0;
 #ifndef Q_WS_WINCE
@@ -1080,7 +1094,11 @@ const QString qt_reg_winclass(QWidget *w)        // register window class
     wc.lpszMenuName  = 0;
     wc.lpszClassName = (wchar_t*)cname.utf16();
 
+#ifndef Q_WS_WINCE
+    ATOM atom = RegisterClassEx(&wc);
+#else
     ATOM atom = RegisterClass(&wc);
+#endif
 
 #ifndef QT_NO_DEBUG
     if (!atom)
diff --git a/src/script/api/qscriptvalue.cpp b/src/script/api/qscriptvalue.cpp
index 8cd4057..6ce54f5 100644
--- a/src/script/api/qscriptvalue.cpp
+++ b/src/script/api/qscriptvalue.cpp
@@ -1716,7 +1716,14 @@ QScriptValue QScriptValue::construct(const QScriptValueList &args)
 
     QVarLengthArray<JSC::JSValue, 8> argsVector(args.size());
     for (int i = 0; i < args.size(); ++i) {
-        if (!args.at(i).isValid())
+        QScriptValue arg = args.at(i);
+        if (QScriptValuePrivate::getEngine(arg) != d->engine && QScriptValuePrivate::getEngine(arg)) {
+            qWarning("QScriptValue::construct() failed: "
+                     "cannot construct function with argument created in "
+                     "a different engine");
+            return QScriptValue();
+        }
+        if (!arg.isValid())
             argsVector[i] = JSC::jsUndefined();
         else
             argsVector[i] = d->engine->scriptValueToJSCValue(args.at(i));
@@ -1766,6 +1773,12 @@ QScriptValue QScriptValue::construct(const QScriptValue &arguments)
 
     JSC::ExecState *exec = d->engine->currentFrame;
 
+    if (QScriptValuePrivate::getEngine(arguments) != d->engine && QScriptValuePrivate::getEngine(arguments)) {
+        qWarning("QScriptValue::construct() failed: "
+                 "cannot construct function with argument created in "
+                 "a different engine");
+        return QScriptValue();
+    }
     JSC::JSValue array = d->engine->scriptValueToJSCValue(arguments);
     // copied from runtime/FunctionPrototype.cpp, functionProtoFuncApply()
     JSC::MarkedArgumentBuffer applyArgs;