```
../contrib/libcxx/include/vector:1449: _LIBCPP_ASSERT '__n < size()' failed. vector[] index out of bounds Received signal 6 Received signal Aborted (6)
```

https://s3.amazonaws.com/clickhouse-test-reports/39973/24ee3e022df7e970b5925fea657bec3ad7303702/fuzzer_astfuzzerdebug//report.html

std::swap(rpn_stack.back().can_be_true, rpn_stack.back().can_be_false);
        }
        else if (element.function == RPNElement::FUNCTION_AND)
        {
            assert(!rpn_stack.empty());
            auto arg1 = std::move(rpn_stack.back());
            rpn_stack.pop_back();
            assert(!rpn_stack.empty());
            auto arg2 = std::move(rpn_stack.back());
            Frame frame;
            frame.can_be_true = combine(std::move(arg1.can_be_true), std::move(arg2.can_be_true), Node::Type::And);
            frame.can_be_false = combine(std::move(arg1.can_be_false), std::move(arg2.can_be_false), Node::Type::Or);
            rpn_stack.back() = std::move(frame);
        }
        else if (element.function == RPNElement::FUNCTION_OR)
        {
            assert(!rpn_stack.empty());
            auto arg1 = std::move(rpn_stack.back());
            rpn_stack.pop_back();
            assert(!rpn_stack.empty());
            auto arg2 = std::move(rpn_stack.back());
            Frame frame;
            frame.can_be_true = combine(std::move(arg1.can_be_true), std::move(arg2.can_be_true), Node::Type::Or);
            frame.can_be_false = combine(std::move(arg1.can_be_false), std::move(arg2.can_be_false), Node::Type::And);
            rpn_stack.back() = std::move(frame);
        }
        else if (element.function == RPNElement::ALWAYS_FALSE)
        {
            auto can_be_true = std::make_unique<Node>(Node{.type = Node::Type::False});
            auto can_be_false = std::make_unique<Node>(Node{.type = Node::Type::True});