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fix(library/unifier): bug in expand_rhs

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2014-08-28 14:35:11 -07:00
parent e303651dee
commit 641624a277
1 changed files with 3 additions and 3 deletions
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6
src/library/unifier.cpp
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@ -1700,10 +1700,10 @@ struct unifier_fn {
if (is_lambda(f)) {
return some_expr(apply_beta(f, args.size(), args.data()));
} else if (is_macro(f)) {
return m_tc[relax]->expand_macro(rhs);
} else {
return none_expr();
if (optional<expr> new_f = m_tc[relax]->expand_macro(f))
return some_expr(mk_rev_app(*new_f, args.size(), args.data()));
}
return none_expr();
}
/** \brief Process a flex rigid constraint */