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lbtt: fix a memory leak detected by asan.

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* spot/twaalgos/lbtt.cc: Here.
* NEWS: Mention it.
This commit is contained in:
Alexandre Duret-Lutz 2016-07-27 20:09:16 +02:00
parent a9fc5d49d8
commit 561672d3d7
2 changed files with 7 additions and 4 deletions
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3
NEWS
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@ -195,6 +195,9 @@ New in spot 2.0.3a (not yet released)
* Fix some non-deterministic execution of minimize_wdba(), causing
test-suite failures with the future G++ 7, and clang 3.9.
* print_lbtt() had a memory leak when printing states without
successors.
New in spot 2.0.3 (2016-07-11)
Bug fixes:

8
spot/twaalgos/lbtt.cc
View file

@ -51,7 +51,7 @@ namespace spot
}
acc_cond::mark_t
state_acc_sets(const state *s) const
state_acc_sets(const state* s) const
{
// If the automaton has a SBA type, it's easier to just query the
// state_is_accepting() method.
@ -65,9 +65,9 @@ namespace spot
// is not terribly efficient since we have to create the
// iterator.
twa_succ_iterator* it = aut_->succ_iter(s);
if (!it->first())
return {};
auto res = it->acc();
acc_cond::mark_t res = 0U;
if (it->first())
res = it->acc();
aut_->release_iter(it);
return res;
}