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futurecondcol: avoid gcc-snapshot bug

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* src/tgba/futurecondcol.cc: Use swap instead of assignement.  It is
more efficient, and it avoid the bug of gcc-snapshot mentionned two
commits below.
This commit is contained in:
Alexandre Duret-Lutz 2014-11-13 23:41:07 +01:00
parent 4ea63f8404
commit 6e2151dc18
1 changed files with 4 additions and 2 deletions
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6
src/tgba/futurecondcol.cc
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@ -1,4 +1,6 @@
// Copyright (C) 2009 Laboratoire de recherche et développement de l'Epita. // -*- coding: utf-8 -*-
// Copyright (C) 2009, 2014 Laboratoire de recherche et développement
// de l'Epita.
// //
// This file is part of Spot, a model checking library. // This file is part of Spot, a model checking library.
// //
@ -37,7 +39,7 @@ namespace spot
res.insert(i->second); res.insert(i->second);
res.insert(future_conds_[dest].begin(), future_conds_[dest].end()); res.insert(future_conds_[dest].begin(), future_conds_[dest].end());
} }
future_conds_[src] = res; std::swap(future_conds_[src], res);
} }
future_conditions_collector::future_conditions_collector(const tgba* aut, future_conditions_collector::future_conditions_collector(const tgba* aut,