Abort is triggered in debug build due to logical error.

```
CREATE TABLE A(k UInt32, t UInt32, a UInt64) ENGINE = MergeTree() ORDER BY (k, t);
INSERT INTO A(k,t,a) VALUES (1,101,1),(1,102,2),(1,103,3),(1,104,4),(1,105,5);

CREATE TABLE B(k UInt32, t UInt32, b UInt64) ENGINE = MergeTree() ORDER BY (k, t);
INSERT INTO B(k,t,b) VALUES (1,102,2), (1,104,4);

SELECT 
    (257, NULL, NULL), 
    (1, -2), 
    (-2, 7), 
    ('102.5', '0.03', NULL, NULL, NULL), 
    A.k, 
    toString((10, 0), 10.000100135803223), 
    A.a, 
    B.b, 
    toString(B.t), 
    B.k
FROM A
ASOF INNER JOIN B ON (A.k = B.k) AND NULL AND greaterOrEquals(B.t)
ORDER BY tuple(A.k) ASC;


Received exception from server (version 20.7.1):
Code: 1001. DB::Exception: Received from localhost:9000. DB::Exception: St12out_of_range: vector. 
```

class TableJoin;
namespace ASOF
{
    enum class Inequality;
}
class CollectJoinOnKeysMatcher
{
public:
    using Visitor = ConstInDepthNodeVisitor<CollectJoinOnKeysMatcher, true>;
    struct Data
    {
        TableJoin & analyzed_join;
        const TableWithColumnNamesAndTypes & left_table;
        const TableWithColumnNamesAndTypes & right_table;
        const Aliases & aliases;
        const bool is_asof{false};
        ASTPtr asof_left_key{};
        ASTPtr asof_right_key{};
        bool has_some{false};
        void addJoinKeys(const ASTPtr & left_ast, const ASTPtr & right_ast, const std::pair<size_t, size_t> & table_no);
        void addAsofJoinKeys(const ASTPtr & left_ast, const ASTPtr & right_ast, const std::pair<size_t, size_t> & table_no,
                             const ASOF::Inequality & asof_inequality);
        void asofToJoinKeys();
    };
    static void visit(const ASTPtr & ast, Data & data)