Author martin.panter
Recipients eric.smith, martin.panter, petr.viktorin
Date 2016-02-05.01:39:59
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Marked as misclassified Yes
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I had to recompile with “--with-pydebug” to get the crash. I know f-strings don’t support the lambda syntax very well, but I can also make it crash without using lambda:

>>> f"{ {1: 2}:x}"
Fatal Python error: Python/ceval.c:3576 object at 0x7fa32ab030c8 has negative ref count -1
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: non-empty format string passed to object.__format__
Aborted (core dumped)
Date User Action Args
2016-02-05 01:40:00martin.pantersetrecipients: + martin.panter, eric.smith, petr.viktorin
2016-02-05 01:40:00martin.pantersetmessageid: <>
2016-02-05 01:40:00martin.panterlinkissue26287 messages
2016-02-05 01:39:59martin.pantercreate