From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Rui Zhang Newsgroups: gmane.lisp.guile.bugs Subject: bug#62583: Guile 3.0.9 crashes when calling set-car! on the last node of '(...) 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(cdr xs) 0))=0A= =0A= Guile will segfault executing this code, and only when set-car! is called o= n the last node. I believe the expectation is that it does not segfault an= d xs will be modified to (0) or (1 0) in these two examples.=0A= =0A= If I use (list 1) instead of '(1), Guile does not seem to segfault. Maybe = '(1) is constructed differently?=0A= =0A= =0A= $ guile --version=0A= guile (GNU Guile) 3.0.9=0A= Copyright (C) 2023 Free Software Foundation, Inc.=0A= =0A= License LGPLv3+: GNU LGPL 3 or later .= =0A= This is free software: you are free to change and redistribute it.=0A= There is NO WARRANTY, to the extent permitted by law.=0A= =0A= $ ./config.guess=0A= x86_64-pc-linux-gnu=0A= =0A= =0A= Best regards,=0A= -Rui=