twa_graph: fix precondition on set_init_state

Fixes #391.

* spot/twa/twagraph.hh: Here.
* tests/core/dualize.test, tests/python/except.py: New tests.
* NEWS: Mention the bug.
This commit is contained in:
Alexandre Duret-Lutz 2019-07-30 15:30:36 +02:00
parent f29eb91192
commit 8ec6ea838d
4 changed files with 107 additions and 4 deletions

6
NEWS
View file

@ -1,6 +1,10 @@
New in spot 2.8.1.dev (not yet released)
Nothing yet.
Bugs fixed:
- Calling "autfilt --dualize" on an alternating automaton with
transition-based acceptance and universal initial states would
fail with "set_init_state() called with nonexisting state".
New in spot 2.8.1 (2019-07-18)