diff --git a/sql/sql_select.cc b/sql/sql_select.cc index dcf1f0cfc798fa1fb865c60835c178b66bd262d7..ea69eb72b513410749208517b1e2a44f8bde1378 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -3520,7 +3520,11 @@ update_ref_and_keys(THD *thd, DYNAMIC_ARRAY *keyuse,JOIN_TAB *join_tab, continue; } - *save_pos= *use; +#ifdef HAVE_purify + /* Valgrind complains about overlapped memcpy when save_pos==use. */ + if (save_pos != use) +#endif + *save_pos= *use; prev=use; found_eq_constant= !use->used_tables; /* Save ptr to first use */