The crash happens because select_union object is used as result set
for queries which have derived tables.
select_union use temporary table as data storage and if
fields count exceeds 10(count of values for procedure ANALYSE())
then we get a crash on fill_record() function.


mysql-test/r/analyse.result:
  test result
mysql-test/r/subselect.result:
  result fix
mysql-test/t/analyse.test:
  test case
mysql-test/t/subselect.test:
  test fix
sql/sql_yacc.yy:
  The crash happens because select_union object is used as result set
  for queries which have derived tables.
  select_union use temporary table as data storage and if
  fields count exceeds 10(count of values for procedure ANALYSE())
  then we get a crash on fill_record() function.