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-rw-r--r--sql/sql_class.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/sql_class.cc b/sql/sql_class.cc
index a4e8c84401b..930cf2393f7 100644
--- a/sql/sql_class.cc
+++ b/sql/sql_class.cc
@@ -2630,6 +2630,7 @@ void Query_arena::free_items()
for (; free_list; free_list= next)
{
next= free_list->next;
+ DBUG_ASSERT(free_list != next);
free_list->delete_self();
}
/* Postcondition: free_list is 0 */