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AI migrated legacy COBOL programs to Java, bugs included

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Hacker News highlights an arXiv paper on AI-powered code migration, which reports a striking result: when tools translated legacy COBOL programs to Java, the bugs from the source code persisted in the translation. The finding illustrates that while AI can automate syntax conversion, it can't eliminate the technical debt embedded in the original code.

Source: https://arxiv.org/abs/2607.28271

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