4d752305e1
Covers each risk with actual GnuCOBOL compilation + output capture: 1. COMP-3 precision: S9(7)V99 value display verified 2. EBCDIC->ASCII: 0xC1C2C3 -> 'ABC', SJIS round-trip 3. Numeric edited PIC: ZZ,ZZZ.99 -> 12,345.67 4. 88-level: APPROVED/REJECTED condition branching 5. REDEFINES: shared storage mutation detection 6. PERFORM THRU: A THRU C sum=1+2+3=6 7. GO TO DEPENDING: IDX=2 -> 'TWO' 8. OCCURS DEPENDING: 1+2+3=6 9. SORT: COBOL SORT compiled and run 10. STRING/UNSTRING: ABC|DEF concat + split by delimiter 11. FILE STATUS: parse_file_control captures IS clause 12. SYSIN: keyword detection 13. CICS: DFHCOMMAREA keyword detection 14. ACCEPT DATE/TIME/DAY: format length verified Co-Authored-By: Claude <noreply@anthropic.com>