1 files changed, 10 insertions, 8 deletions
diff --git a/src/qml/compiler/qv4compileddata_p.h b/src/qml/compiler/qv4compileddata_p.h
index 61762ef474..23f5e31ebe 100644
--- a/src/qml/compiler/qv4compileddata_p.h
+++ b/src/qml/compiler/qv4compileddata_p.h
@@ -71,7 +71,7 @@
 QT_BEGIN_NAMESPACE
 
 // Bump this whenever the compiler data structures change in an incompatible way.
-#define QV4_DATA_STRUCTURE_VERSION 0x09
+#define QV4_DATA_STRUCTURE_VERSION 0x11
 
 class QIODevice;
 class QQmlPropertyCache;
@@ -797,11 +797,15 @@ typedef QVector<QQmlPropertyData*> BindingPropertyData;
 
 // This is how this hooks into the existing structures:
 
-//VM::Function
-//    CompilationUnit * (for functions that need to clean up)
-//    CompiledData::Function *compiledFunction
+struct Q_QML_PRIVATE_EXPORT CompilationUnitBase
+{
+    QV4::Heap::String **runtimeStrings = 0; // Array
+};
 
-struct Q_QML_PRIVATE_EXPORT CompilationUnit : public QQmlRefCount
+Q_STATIC_ASSERT(std::is_standard_layout<CompilationUnitBase>::value);
+Q_STATIC_ASSERT(offsetof(CompilationUnitBase, runtimeStrings) == 0);
+
+struct Q_QML_PRIVATE_EXPORT CompilationUnit : public CompilationUnitBase, public QQmlRefCount
 {
 #ifdef V4_BOOTSTRAP
     CompilationUnit()
@@ -818,8 +822,6 @@ struct Q_QML_PRIVATE_EXPORT CompilationUnit : public QQmlRefCount
     // Called only when building QML, when we build the header for JS first and append QML data
     virtual QV4::CompiledData::Unit *createUnitData(QmlIR::Document *irDocument);
 
-    QV4::Heap::String **runtimeStrings; // Array
-
 #ifndef V4_BOOTSTRAP
     ExecutionEngine *engine;
 
@@ -898,7 +900,7 @@ struct Q_QML_PRIVATE_EXPORT CompilationUnit : public QQmlRefCount
 
     void destroy() Q_DECL_OVERRIDE;
 
-    bool loadFromDisk(const QUrl &url, EvalISelFactory *iselFactory, QString *errorString);
+    bool loadFromDisk(const QUrl &url, const QDateTime &sourceTimeStamp, EvalISelFactory *iselFactory, QString *errorString);
 
 protected:
     virtual void linkBackendToEngine(QV4::ExecutionEngine *engine) = 0;