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diff --git a/src/qml/compiler/qv4jssimplifier_p.h b/src/qml/compiler/qv4jssimplifier_p.h
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--- a/src/qml/compiler/qv4jssimplifier_p.h
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-/****************************************************************************
-**
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the tools applications of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-#ifndef QV4JSSIMPLIFIER
-#define QV4JSSIMPLIFIER
-
-//
-//  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/qv4global_p.h>
-
-#include "qqmlirbuilder_p.h"
-
-QT_BEGIN_NAMESPACE
-
-namespace QmlIR {
-struct Document;
-}
-
-namespace QV4 {
-namespace CompiledData {
-struct QmlUnit;
-struct Location;
-}
-}
-
-class QQmlJavaScriptBindingExpressionSimplificationPass
-{
-public:
-    QQmlJavaScriptBindingExpressionSimplificationPass(const QVector<QmlIR::Object*> &qmlObjects, QV4::IR::Module *jsModule, QV4::Compiler::JSUnitGenerator *unitGenerator);
-
-    void reduceTranslationBindings();
-
-private:
-    void reduceTranslationBindings(int objectIndex);
-
-    void visit(QV4::IR::Stmt *s)
-    {
-        switch (s->stmtKind) {
-        case QV4::IR::Stmt::MoveStmt:
-            visitMove(s->asMove());
-            break;
-        case QV4::IR::Stmt::RetStmt:
-            visitRet(s->asRet());
-            break;
-        case QV4::IR::Stmt::CJumpStmt:
-            discard();
-            break;
-        case QV4::IR::Stmt::ExpStmt:
-            discard();
-            break;
-        case QV4::IR::Stmt::JumpStmt:
-            break;
-        case QV4::IR::Stmt::PhiStmt:
-            break;
-        }
-    }
-
-    void visitMove(QV4::IR::Move *move);
-    void visitRet(QV4::IR::Ret *ret);
-
-    void visitFunctionCall(const QString *name, QV4::IR::ExprList *args, QV4::IR::Temp *target);
-
-    void discard() { _canSimplify = false; }
-
-    bool simplifyBinding(QV4::IR::Function *function, QmlIR::Binding *binding);
-    bool detectTranslationCallAndConvertBinding(QmlIR::Binding *binding);
-
-    const QVector<QmlIR::Object*> &qmlObjects;
-    QV4::IR::Module *jsModule;
-    QV4::Compiler::JSUnitGenerator *unitGenerator;
-
-    bool _canSimplify;
-    const QString *_nameOfFunctionCalled;
-    QVector<int> _functionParameters;
-    int _functionCallReturnValue;
-
-    QHash<int, QV4::IR::Expr*> _temps;
-    int _returnValueOfBindingExpression;
-    int _synthesizedConsts;
-
-    QVector<int> irFunctionsToRemove;
-};
-
-class QQmlIRFunctionCleanser
-{
-public:
-    QQmlIRFunctionCleanser(QV4::IR::Module *module, const QVector<QmlIR::Object*> &qmlObjects, const QVector<int> &functionsToRemove);
-
-    void clean();
-
-private:
-    virtual void visitMove(QV4::IR::Move *s) {
-        visit(s->source);
-        visit(s->target);
-    }
-
-    void visit(QV4::IR::Stmt *s);
-    void visit(QV4::IR::Expr *e);
-
-private:
-    QV4::IR::Module *module;
-    const QVector<QmlIR::Object*> &qmlObjects;
-    const QVector<int> &functionsToRemove;
-
-    QVector<int> newFunctionIndices;
-};
-
-QT_END_NAMESPACE
-
-#endif // QV4JSSIMPLIFIER