the code that is active for SP as well in 5.0)


sql/item.cc:
  Rename of an Item_arena method.
sql/item_subselect.cc:
  Rename of an Item_arena method.
sql/sql_class.h:
  Rename of an Item_arena method.
sql/sql_parse.cc:
  Rename of an Item_arena method.
sql/sql_union.cc:
  Rename of an Item_arena method.