1 files changed, 4 insertions, 24 deletions
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index cf107498dd..bb1b48b0a6 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -906,30 +906,8 @@ static bool check_parent_thread(QObject *parent,
 */
 
 QObject::QObject(QObject *parent)
-    : d_ptr(new QObjectPrivate)
+    : QObject(*new QObjectPrivate, parent)
 {
-    Q_ASSERT_X(this != parent, Q_FUNC_INFO, "Cannot parent a QObject to itself");
-
-    Q_D(QObject);
-    d_ptr->q_ptr = this;
-    d->threadData = (parent && !parent->thread()) ? parent->d_func()->threadData : QThreadData::current();
-    d->threadData->ref();
-    if (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;
-        }
-    }
-#if QT_VERSION < 0x60000
-    qt_addObject(this);
-#endif
-    if (Q_UNLIKELY(qtHookData[QHooks::AddQObject]))
-        reinterpret_cast<QHooks::AddQObjectCallback>(qtHookData[QHooks::AddQObject])(this);
-    Q_TRACE(QObject_ctor, this);
 }
 
 /*!
@@ -2157,7 +2135,9 @@ void QObjectPrivate::setParent_helper(QObject *o)
             // cleared our entry in parentD->children.
         } else {
             const int index = parentD->children.indexOf(q);
-            if (parentD->isDeletingChildren) {
+            if (index < 0) {
+                // we're probably recursing into setParent() from a ChildRemoved event, don't do anything
+            } else if (parentD->isDeletingChildren) {
                 parentD->children[index] = 0;
             } else {
                 parentD->children.removeAt(index);