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Don't use Qunbound as hash table key when printing (bug#68244)

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This flaw could cause an assertion failure.

* src/print.c (PRINT_CIRCLE_CANDIDATE_P): Don't consider Qunbound a
print-circle candidate; it should never be seen by Lisp anyway.
This commit is contained in:
Mattias Engdegård 2024-01-18 18:48:12 +01:00
parent ef01250ef9
commit e7a6ce847f
1 changed files with 2 additions and 1 deletions
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src/print.c
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@ -1311,7 +1311,8 @@ print (Lisp_Object obj, Lisp_Object printcharfun, bool escapeflag)
|| RECORDP (obj))) \
|| (! NILP (Vprint_gensym) \
&& SYMBOLP (obj) \
&& !SYMBOL_INTERNED_P (obj)))
&& !SYMBOL_INTERNED_P (obj) \
&& !hash_unused_entry_key_p (obj)))
/* The print preprocess stack, used to traverse data structures. */