Commit 028b56d5 authored by Alexandre Duret-Lutz's avatar Alexandre Duret-Lutz
Browse files

twa_run: better protection against empty cycles

Fixes #337.

* spot/twaalgos/emptiness.cc, spot/twaalgos/emptiness.hh: Here.
* tests/python/except.py: Test it.
* NEWS: Mention the issue.
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