[issue8863] Segfault handler: display Python backtrace on segfault

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

See also issue #3999: a similar patch to raise an exception on segfault. This patch was rejected because Python internal state may be corrupted, and we cannot guarantee that next instructions will be executed correctly.

This patch is safer because it just tries to display the backtrace and then exit.

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nosy: +pitrou

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