[Bug cobol/126393] ICE: symbols_update: data item ... capacity rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126393

--- Comment #3 from Simon Sobisch <simonsobisch at gnu dot org> ---
updated stack for the second example:

internal compiler error: symbols_update: data item Group #1076 'Z01-SHMKEY-RED'
capacity 2 rejected
  167 |       /
      | ^
0x26c7730 emit_diagnostic_valist(diagnostics::kind, unsigned long,
diagnostics::option_id, char const*, __va_list_tag (*) [1])
        /home/so/gcc-cobol/gcc/diagnostic-global-context.cc:135
0xba9c36 cbl_internal_error(char const*, ...)
        /home/so/gcc-cobol/gcc/cobol/util.cc:3890
0xb9d34b symbols_update(unsigned long, bool)
        /home/so/gcc-cobol/gcc/cobol/symbols.cc:1938
0xb233ad data_division_ready
        /home/so/gcc-cobol/gcc/cobol/parse_ante.h:3602
0xb233ad yyparse()
        /home/so/gcc-cobol/gcc/cobol/parse.y:1609
0xbaf824 parse_file
        /home/so/gcc-cobol/gcc/cobol/util.cc:3822
0xbaf824 cobol_parse_files(int, char const**)
        /home/so/gcc-cobol/gcc/cobol/util.cc:3877

This _may_ be related to the non-standard (but commonly accepted) issue of:

- 01 level with OCCURS
- additional: that field REDEFINES another field