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diff --git a/src/qmlcompiler/qqmljsstoragegeneralizer_p.h b/src/qmlcompiler/qqmljsstoragegeneralizer_p.h
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+++ b/src/qmlcompiler/qqmljsstoragegeneralizer_p.h
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+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#ifndef QQMLJSSTORAGEGENERALIZER_P_H
+#define QQMLJSSTORAGEGENERALIZER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#include <private/qqmljscompilepass_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_QMLCOMPILER_EXPORT QQmlJSStorageGeneralizer : public QQmlJSCompilePass
+{
+public:
+    QQmlJSStorageGeneralizer(const QV4::Compiler::JSUnitGenerator *jsUnitGenerator,
+                             const QQmlJSTypeResolver *typeResolver, QQmlJSLogger *logger,
+                             BasicBlocks basicBlocks, InstructionAnnotations annotations)
+        : QQmlJSCompilePass(jsUnitGenerator, typeResolver, logger, basicBlocks, annotations)
+    {}
+
+    BlocksAndAnnotations run(Function *function, QQmlJS::DiagnosticMessage *error);
+
+protected:
+    // We don't have to use the byte code here. We only transform the instruction annotations.
+    Verdict startInstruction(QV4::Moth::Instr::Type) override { return SkipInstruction; }
+    void endInstruction(QV4::Moth::Instr::Type) override {}
+};
+
+QT_END_NAMESPACE
+
+#endif // QQMLJSSTORAGEGENERALIZER_P_H