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Büchi translation should not go through fg_safety_to_dca_maybe()

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Fixes #366, reported by Simon Jantsch.

* spot/twaalgos/translate.cc: type_&Generic will also match if
type_==BA... use type_==Generic instead.
* tests/core/unambig.test: Add a test corresponding to Simon's report.
* NEWS: Describe the bug.
This commit is contained in:
Alexandre Duret-Lutz 2018-10-12 11:47:00 +02:00
parent e5f76b77d4
commit 3c86f034fc
3 changed files with 12 additions and 1 deletions
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3
spot/twaalgos/translate.cc
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@ -337,7 +337,8 @@ namespace spot
if (aut2 && ((type_ == BA) || (type_ & Parity))
&& (pref_ & Deterministic))
return finalize(aut2);
if (!aut2 && (type_ & (Generic | Parity | CoBuchi)))
if (!aut2 && (type_ == Generic
|| type_ & (Parity | CoBuchi)))
{
aut2 = fg_safety_to_dca_maybe(r, simpl_->get_dict(), sba);
if (aut2