Query using 'WITH clause' with XMLTable and XMLtype function works in 10.2 and 11.1 and 11.2.0.1 but in 11.2.0.2 fails with ORA-600 [kkoljt1] error

WITH t as (select XMLTYPE('
<RECSET>
<REC>
<COUNTRY>1</COUNTRY>
<POINT>1800</POINT>
<USER_INFO>
<USER_ID>1</USER_ID>
<TARGET>28</TARGET>
<STATE>6</STATE>
<TASK>12</TASK>
</USER_INFO>
<USER_INFO>
<USER_ID>5</USER_ID>
<TARGET>19</TARGET>
<STATE>1</STATE>
<TASK>90</TASK>
</USER_INFO>
</REC>
<REC>
<COUNTRY>2</COUNTRY>
<POINT>2400</POINT>
<USER_INFO>
<USER_ID>3</USER_ID>
<TARGET>14</TARGET>
<STATE>7</STATE>
<TASK>5</TASK>
</USER_INFO>
</REC>
</RECSET>') as xml from dual)
-- END OF TEST DATA
select x.country, x.point, y.user_id, y.target, y.state, y.task
from t
,XMLTABLE('/RECSET/REC'
PASSING t.xml
COLUMNS country NUMBER PATH '/REC/COUNTRY'
,point NUMBER PATH '/REC/POINT'
,user_info XMLTYPE PATH '/REC/*'
) x
,XMLTABLE('/USER_INFO'
PASSING x.user_info
COLUMNS user_id NUMBER PATH '/USER_INFO/USER_ID'
,target NUMBER PATH '/USER_INFO/TARGET'
,state NUMBER PATH '/USER_INFO/STATE'
,task NUMBER PATH '/USER_INFO/TASK'
) y
/

<TASK>90</TASK>
*
ERROR at line 16:
ORA-00600: internal error code, arguments: [kkoljt1], [], []