Columnstore Server crashes when REGEX is matched to function return value

-- check the functions, all return valid text for regex matching:

use Z206885;

select inno_test_function('Value1', 7);

select cs_test_function('Value1', 7);

select static_test_function('Value1', 7);

-- innodb table, function calls innodb table SUCCEEDS

SELECT location_id    

FROM  inno_test_lhh

where (top_prnt NOT REGEXP inno_test_function('Value1', 7)); 

-- innodb table, function calls static text SUCCEEDS

SELECT location_id    

FROM  inno_test_lhh

where (top_prnt NOT REGEXP static_test_function('Value1', 7)); 

-- columnstore table, function calls static text  SUCCEEDS

SELECT location_id    

FROM  cs_test_lhh

where (top_prnt NOT REGEXP static_test_function('Value1', 7)); 

-- innodb table, function calls columnstore table CRASHES DATABASE SERVER

SELECT location_id    

FROM  inno_test_lhh

where (top_prnt NOT REGEXP cs_test_function('Value1', 7)); 

-- columnstore table, function calls innodb table  CRASHES DATABASE SERVER

SELECT location_id    

FROM  cs_test_lhh

where (top_prnt NOT REGEXP inno_test_function('Value1', 7)); 

-- columnstore table, function calls columnstore table CRASHES DATABASE SERVER

SELECT location_id    

FROM  cs_test_lhh

where (top_prnt NOT REGEXP cs_test_function('Value1', 7));