STINNER Victor <vstin...@python.org> added the comment:
> visit_decref() is commonly found in C traceback (ex: gdb backtrace) of bugs > related to the garbage collector. Example with attached bpo-38037-bug.patch: you can apply this patch on the master branch to reintroduce bpo-38037 bug. vstinner@apu$ git apply bpo-38037-bug.patch vstinner@apu$ make Without PR 15782: vstinner@apu$ ./python -c pass Segmentation fault (core dumped) With PR 15782: vstinner@apu$ ./python -c pass Modules/gcmodule.c:379: visit_decref: Assertion "!_PyObject_IsFreed(op)" failed <object: freed> Fatal Python error: _PyObject_AssertFailed Current thread 0x00007f171a280740 (most recent call first): Aborted (core dumped) The bug is catched earlier. And Python provides more information. ---------- Added file: https://bugs.python.org/file48602/bpo-38037-bug.patch _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue38070> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
