Make all write operations to Pointer<> types go through a set() method

The new set() method also taked an ExecutionEngine pointer. This makes
it trivial to now add a write barrier for those operations.

Change-Id: I321eccfe6fb279cc240b5c84910e6854f71759f6
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/qml/qml/qqmlcomponent.cpp b/src/qml/qml/qqmlcomponent.cpp
index c1a0637d00..993ad10639 100644
--- a/src/qml/qml/qqmlcomponent.cpp
+++ b/src/qml/qml/qqmlcomponent.cpp
@@ -1377,7 +1377,7 @@ void QQmlComponent::incubateObject(QQmlV4Function *args)
 
     if (!valuemap->isUndefined())
         r->d()->valuemap = valuemap;
-    r->d()->qmlContext = v4->qmlContext();
+    r->d()->qmlContext.set(scope.engine, v4->qmlContext());
     r->d()->parent = parent;
 
     QQmlIncubator *incubator = r->d()->incubator;
@@ -1476,7 +1476,7 @@ void QV4::Heap::QmlIncubatorObject::init(QQmlIncubator::IncubationMode m)
     valuemap = QV4::Primitive::undefinedValue();
     statusChanged = QV4::Primitive::undefinedValue();
     parent.init();
-    qmlContext = nullptr;
+    qmlContext.set(internalClass->engine, nullptr);
     incubator = new QQmlComponentIncubator(this, m);
 }