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unit_propagation: Correct a segfault when we have true in the condition

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* spot/twa/acc.cc: Check if we have a "true" condition
in unit_propagation.
This commit is contained in:
Florian Renkin 2020-04-15 16:12:03 +02:00 • committed by Alexandre Duret-Lutz
parent ee3e09f8c9
commit d784094ab9
1 changed files with 2 additions and 0 deletions
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2
spot/twa/acc.cc
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@ -2651,6 +2651,8 @@ namespace spot
result = init_code | result.remove(mark, fin == conj); result = init_code | result.remove(mark, fin == conj);
} }
if (result.is_t())
return result;
auto pos = &result.back(); auto pos = &result.back();
auto fo = pos->sub.op; auto fo = pos->sub.op;
bool is_and = (fo == acc_cond::acc_op::And); bool is_and = (fo == acc_cond::acc_op::And);