2 files changed, 5 insertions, 6 deletions
diff --git a/src/qml/jsruntime/qv4managed_p.h b/src/qml/jsruntime/qv4managed_p.h
index 75621edeee..8febf3f462 100644
--- a/src/qml/jsruntime/qv4managed_p.h
+++ b/src/qml/jsruntime/qv4managed_p.h
@@ -278,15 +278,15 @@ public:
         return internalClass->vtable == &T::static_vtbl ? static_cast<const T *>(this) : 0;
     }
 
-    String *asString() { return internalClass->vtable->type == Type_String ? reinterpret_cast<String *>(this) : 0; }
-    Object *asObject() { return internalClass->vtable->type != Type_String ? reinterpret_cast<Object *>(this) : 0; }
+    String *asString() { return internalClass->vtable->isString ? reinterpret_cast<String *>(this) : 0; }
+    Object *asObject() { return internalClass->vtable->isObject ? reinterpret_cast<Object *>(this) : 0; }
     ArrayObject *asArrayObject() { return internalClass->vtable->type == Type_ArrayObject ? reinterpret_cast<ArrayObject *>(this) : 0; }
-    FunctionObject *asFunctionObject() { return internalClass->vtable->type == Type_FunctionObject ? reinterpret_cast<FunctionObject *>(this) : 0; }
+    FunctionObject *asFunctionObject() { return internalClass->vtable->isFunctionObject ? reinterpret_cast<FunctionObject *>(this) : 0; }
     BooleanObject *asBooleanObject() { return internalClass->vtable->type == Type_BooleanObject ? reinterpret_cast<BooleanObject *>(this) : 0; }
     NumberObject *asNumberObject() { return internalClass->vtable->type == Type_NumberObject ? reinterpret_cast<NumberObject *>(this) : 0; }
     StringObject *asStringObject() { return internalClass->vtable->type == Type_StringObject ? reinterpret_cast<StringObject *>(this) : 0; }
     DateObject *asDateObject() { return internalClass->vtable->type == Type_DateObject ? reinterpret_cast<DateObject *>(this) : 0; }
-    ErrorObject *asErrorObject() { return internalClass->vtable->type == Type_ErrorObject ? reinterpret_cast<ErrorObject *>(this) : 0; }
+    ErrorObject *asErrorObject() { return internalClass->vtable->isErrorObject ? reinterpret_cast<ErrorObject *>(this) : 0; }
     ArgumentsObject *asArgumentsObject() { return internalClass->vtable->type == Type_ArgumentsObject ? reinterpret_cast<ArgumentsObject *>(this) : 0; }
 
     bool isListType() const { return internalClass->vtable->type == Type_QmlSequence; }
diff --git a/src/qml/jsruntime/qv4string.cpp b/src/qml/jsruntime/qv4string.cpp
index 0b38b5c08b..b97b23bf44 100644
--- a/src/qml/jsruntime/qv4string.cpp
+++ b/src/qml/jsruntime/qv4string.cpp
@@ -240,10 +240,9 @@ bool String::isEqualTo(Managed *t, Managed *o)
     if (t == o)
         return true;
 
-    if (o->internalClass->vtable->type != Type_String)
+    if (!o->internalClass->vtable->isString)
         return false;
 
-    Q_ASSERT(t->internalClass->vtable->type == Type_String);
     String *that = static_cast<String *>(t);
     String *other = static_cast<String *>(o);
     if (that->hashValue() != other->hashValue())