Does AI-generated code silently swallow errors? 120 measured generations: every flagged case was a false positive or a documented fallback

If you gate AI-generated code with linters or a CI rule that hunts for swallowed errors, this experiment suggests the part you actually care about — "is this return None a contract or a cover-up?" — is exactly the part the rule cannot decide. I started this project convinced that small LLMs routinely swallow failures — catch an error, return an...