Add a Safe<T> class and start using it

The class denotes objects that are stored safely
in areas controlled by the GC. These we can convert
fast to a StringRef etc.

Change-Id: I6b154eccaefddc42d4fafca55b7ee9e77179830c
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/qml/jsruntime/qv4regexpobject.cpp b/src/qml/jsruntime/qv4regexpobject.cpp
index 60a5026772..aa3f1c3fb5 100644
--- a/src/qml/jsruntime/qv4regexpobject.cpp
+++ b/src/qml/jsruntime/qv4regexpobject.cpp
@@ -142,8 +142,9 @@ void RegExpObject::init(ExecutionEngine *engine)
     vtbl = &static_vtbl;
     type = Type_RegExpObject;
 
-    Property *lastIndexProperty = insertMember(engine->newIdentifier(QStringLiteral("lastIndex")),
-                                                         Attr_NotEnumerable|Attr_NotConfigurable);
+    Scope scope(engine);
+    ScopedString lastIndex(scope, engine->newIdentifier(QStringLiteral("lastIndex")));
+    Property *lastIndexProperty = insertMember(lastIndex, Attr_NotEnumerable|Attr_NotConfigurable);
     lastIndexProperty->value = Value::fromInt32(0);
     if (!this->value)
         return;