Your bug report

#68557: 30.0.50;  "--enable-checking=yes,glyphs" leads to "alloc.c:3446: Emacs fatal error: assertion failed: h->index_size > 1"

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 68557@debbugs.gnu.org.

-- 
68557: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=68557
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