On May 31, 2022, prominent deep learning skeptic and NYU professor emeritus Gary Marcus challenged Elon Musk to a bet on AGI by the end of 2029. His proposed bet consists of 5 AI achievements, of which he predicted no more than 2 would come to pass before 2030. This question is about Marcus' fourth prediction,
In 2029, AI will not be able to reliably construct bug-free code of more than 10,000 lines from natural language specification or by interactions with a non-expert user. [Gluing together code from existing libraries doesn’t count.]