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diff --git a/gcc/pta-andersen.h b/gcc/pta-andersen.h
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+/* Andersen-style solver for tree based points-to analysis
+   Copyright (C) 2005-2025 Free Software Foundation, Inc.
+   Contributed by Daniel Berlin <dberlin@dberlin.org>
+
+   This file is part of GCC.
+
+   GCC is free software; you can redistribute it and/or modify
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   GCC is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GCC; see the file COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef PTA_ANDERSEN_H
+#define PTA_ANDERSEN_H
+
+namespace pointer_analysis {
+
+/* Solve the constraint set.  */
+void solve_constraints (void);
+
+} // namespace pointer_analysis
+
+#endif /* PTA_ANDERSEN_H  */