Also see;

Unsupervised Evaluation of Code LLMs with Round-Trip Correctness - https://arxiv.org/abs/2402.08699

Code repository for the above - https://github.com/google-deepmind/icml2024-roundtrip-correc...

RTCE: RoundTrip Code Evaluation Framework - https://www.emergentmind.com/topics/roundtripcodeeval-rtce