René Kijewski d47b791957 parser: fix check_expr() recursion
`check_expr()` did not recurse for all recursive `Expr`s. This PR fixes
the problem.

Resolves <https://issues.oss-fuzz.com/issues/429130577>.
2025-07-05 21:08:44 +02:00
..
2025-07-05 21:08:44 +02:00