https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117313
--- Comment #3 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> Created attachment 59452 [details]
> Reduced testcase
This is rejected by GCC 14:
/tmp/f.c:2:23: error: flexible array member in a struct with no named members
2 | const unsigned char data[];
| ^~~~
