AstGen: ensure certain builtin functions return void

Fixes #14779

Co-authored-by: Veikka Tuominen <git@vexu.eu>
f1ae688d37r00ster91 committed on 3/5/2023, 9:01:17 PM· committed by Veikka Tuominenparent29c56a8
2 files changedLine totals unavailable