Fix call to QMetaObject::metaCall from updateProperty

Create an array of arguments in the same way
QMetaObject::write does

cherry-picked from f0221d359499f675115da1f47dd3669a4383653d

Task-Number: QTBUG-29082
Change-Id: Ia2772bce409876861b7004320641b0c4e8996fa8
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/src/corelib/animation/qpropertyanimation.cpp b/src/corelib/animation/qpropertyanimation.cpp
index 31b129a..12e1293 100644
--- a/src/corelib/animation/qpropertyanimation.cpp
+++ b/src/corelib/animation/qpropertyanimation.cpp
@@ -135,8 +135,11 @@ void QPropertyAnimationPrivate::updateProperty(const QVariant &newValue)
 
     if (newValue.userType() == propertyType) {
         //no conversion is needed, we directly call the QMetaObject::metacall
-        void *data = const_cast<void*>(newValue.constData());
-        QMetaObject::metacall(targetValue, QMetaObject::WriteProperty, propertyIndex, &data);
+        //check QMetaProperty::write for an explanation of these
+        int status = -1;
+        int flags = 0;
+        void *argv[] = { const_cast<void *>(newValue.constData()), const_cast<QVariant *>(&newValue), &status, &flags };
+        QMetaObject::metacall(targetValue, QMetaObject::WriteProperty, propertyIndex, argv);
     } else {
         targetValue->setProperty(propertyName.constData(), newValue);
     }