removed some compiler warnings

sql/partition_info.cc

@@ -890,7 +890,7 @@ void partition_info::vers_check_limit(THD *thd)
 #ifndef DBUG_OFF
   const uint32 sub_factor= num_subparts ? num_subparts : 1;
   uint32 part_id= vers_info->hist_part->id * sub_factor;
-  const uint32 part_id_end= part_id + sub_factor;
+  const uint32 part_id_end __attribute__((unused)) = part_id + sub_factor;
   DBUG_ASSERT(part_id_end <= num_parts * sub_factor);
 #endif
 

sql/slave.cc

@@ -6718,7 +6718,7 @@ static int queue_event(Master_info* mi, const uchar *buf, ulong event_len)
         can be satisfied only with the strict mode that ensures
         against "genuine" gtid duplicates.
       */
-      rpl_gtid *gtid_in_slave_state=
+      rpl_gtid *gtid_in_slave_state __attribute__((unused))=
         mi->gtid_current_pos.find(mi->last_queued_gtid.domain_id);
 
       // Slave gtid state must not have updated yet to the last received gtid.