Fix the RegExpCache to be GC safe

Change-Id: I6c20c2c5fcdaefa0743f7c1f50cf6dd8d8edc753
Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/qml/jsruntime/qv4persistent_p.h b/src/qml/jsruntime/qv4persistent_p.h
index 90e62e7aac..858734e9ed 100644
--- a/src/qml/jsruntime/qv4persistent_p.h
+++ b/src/qml/jsruntime/qv4persistent_p.h
@@ -129,6 +129,7 @@ class Q_QML_EXPORT WeakValue
 public:
     WeakValue() : val(0) {}
     WeakValue(const WeakValue &other);
+    WeakValue(ExecutionEngine *engine, const Value &value);
     WeakValue &operator=(const WeakValue &other);
     ~WeakValue();
 
@@ -147,6 +148,12 @@ public:
             return 0;
         return val->as<Managed>();
     }
+    template <typename T>
+    T *as() const {
+        if (!val)
+            return 0;
+        return val->as<T>();
+    }
 
     ExecutionEngine *engine() const {
         if (!val)