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diff --git a/lib/gcc/arm-none-eabi/13.2.1/plugin/include/tree-hash-traits.h b/lib/gcc/arm-none-eabi/13.2.1/plugin/include/tree-hash-traits.h
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+++ b/lib/gcc/arm-none-eabi/13.2.1/plugin/include/tree-hash-traits.h
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+/* Traits for hashing trees.
+ Copyright (C) 2014-2023 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, 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 tree_hash_traits_h
+#define tree_hash_traits_h
+
+/* Hash for trees based on operand_equal_p. */
+struct tree_operand_hash : ggc_ptr_hash <tree_node>
+{
+ static inline hashval_t hash (const value_type &);
+ static inline bool equal (const value_type &,
+ const compare_type &);
+};
+
+inline hashval_t
+tree_operand_hash::hash (const value_type &t)
+{
+ return iterative_hash_expr (t, 0);
+}
+
+inline bool
+tree_operand_hash::equal (const value_type &t1,
+ const compare_type &t2)
+{
+ return operand_equal_p (t1, t2, 0);
+}
+
+#endif