Cleanup debugger to be safe for the new GC

Added a bit of convenience to PersistentValue as well.

Change-Id: I5a858079543b41ce1ef48a84e9350a7d6fa64501
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/qml/jsruntime/qv4persistent.cpp b/src/qml/jsruntime/qv4persistent.cpp
index ff10d71aae..af15804e1f 100644
--- a/src/qml/jsruntime/qv4persistent.cpp
+++ b/src/qml/jsruntime/qv4persistent.cpp
@@ -89,6 +89,16 @@ PersistentValue &PersistentValue::operator =(ReturnedValue other)
     return *this;
 }
 
+PersistentValue &PersistentValue::operator=(Heap::Base *obj)
+{
+    if (!d) {
+        d = new PersistentValuePrivate(Value::fromHeapObject(obj).asReturnedValue());
+        return *this;
+    }
+    d = d->detach(Value::fromHeapObject(obj).asReturnedValue());
+    return *this;
+}
+
 PersistentValue::~PersistentValue()
 {
     if (d)