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diff --git a/src/qml/compiler/qv4isel_util_p.h b/src/qml/compiler/qv4isel_util_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QV4ISEL_UTIL_P_H
+#define QV4ISEL_UTIL_P_H
+
+#include "private/qv4runtime_p.h"
+#include "qv4jsir_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QQmlJS {
+
+inline QV4::Value convertToValue(V4IR::Const *c)
+{
+    switch (c->type) {
+    case V4IR::MissingType:
+        return QV4::Value::emptyValue();
+    case V4IR::NullType:
+        return QV4::Value::nullValue();
+    case V4IR::UndefinedType:
+        return QV4::Value::undefinedValue();
+    case V4IR::BoolType:
+        return QV4::Value::fromBoolean(c->value != 0);
+    case V4IR::SInt32Type:
+        return QV4::Value::fromInt32(int(c->value));
+    case V4IR::UInt32Type:
+        return QV4::Value::fromUInt32(unsigned(c->value));
+    case V4IR::DoubleType:
+        return QV4::Value::fromDouble(c->value);
+    case V4IR::NumberType: {
+        int ival = (int)c->value;
+        // +0 != -0, so we need to convert to double when negating 0
+        if (ival == c->value && !(c->value == 0 && isNegative(c->value))) {
+            return QV4::Value::fromInt32(ival);
+        } else {
+            return QV4::Value::fromDouble(c->value);
+        }
+    }
+    default:
+        Q_UNREACHABLE();
+    }
+}
+
+} // namespace QQmlJS
+
+QT_END_NAMESPACE
+
+#endif // QV4ISEL_UTIL_P_H