https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120401
Bug ID: 120401 Summary: gcobol allows arithmetic on alphanumeric fields Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: cobol Assignee: unassigned at gcc dot gnu.org Reporter: simonsobisch at gnu dot org Target Milestone: --- A PIC XX. *> alphanumeric B PIC XBX. *> alphanumeric-edited C PIC 99. COMPUTE B = C * C COMPUTE A = C * C should error, but compiles with gcobol Same may be true with national/national-edited/utf8.