Solution : https://service.sap.com/sap/support/notes/1361038 (SAP Service marketplace login required)
Key words : 
executes abap source code, generated abap source code, report rj-jxini reads, report rj-jxini generates, field tmc4-gstru result, abap source code, report rj-jxini, terms rj-jxini, rj-jxin1 reason, dynamic abap statements
Related Notes : 
       
| 1490182 | Report RJ-J3INI generates source code unnecessarily | 
| 1394093 | Collective Security Note | 
| 888889 | Automatic checks for security notes using RSECNOTE |