1 files changed, 33 insertions, 0 deletions
diff --git a/gdb/dwarf2/abbrev-table-cache.c b/gdb/dwarf2/abbrev-table-cache.c
new file mode 100644
index 0000000..536769b
--- /dev/null
+++ b/gdb/dwarf2/abbrev-table-cache.c
@@ -0,0 +1,33 @@
+/* DWARF 2 abbrev table cache
+
+   Copyright (C) 2022-2025 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program 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 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include "dwarf2/abbrev-table-cache.h"
+
+void
+abbrev_table_cache::add (abbrev_table_up table)
+{
+  /* We allow this as a convenience to the caller.  */
+  if (table == nullptr)
+    return;
+
+  bool inserted = m_tables.emplace (std::move (table)).second;
+
+  /* If this one already existed, then it should have been reused.  */
+  gdb_assert (inserted);
+}