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fix undo record for lblset

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-04-29 14:06:18 -07:00
parent a8ccbd7103
commit decbf4be11
3 changed files with 14 additions and 3 deletions
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5
src/ast/euf/euf_egraph.cpp
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@ -302,7 +302,7 @@ namespace euf {
enode* r = n->get_root();
approx_set & r_lbls = r->m_lbls;
if (!r_lbls.may_contain(n->m_lbl_hash)) {
m_updates.push_back(update_record(r, update_record::lbl_hash()));
m_updates.push_back(update_record(r, update_record::lbl_set()));
r_lbls.insert(n->m_lbl_hash);
}
}
@ -373,6 +373,9 @@ namespace euf {
case update_record::tag_t::is_lbl_hash:
p.r1->m_lbl_hash = p.m_lbl_hash;
break;
case update_record::tag_t::is_lbl_set:
p.r1->m_lbls.set(p.m_lbls);
break;
default:
UNREACHABLE();
break;