Recently, a veteran C++ programmer shared his experience on social media, mentioning that the artificial intelligence model Claude 4 successfully cracked a system bug that had puzzled people for four years. This event has not only attracted widespread attention from the technical community but also triggered in-depth discussions about the potential application of artificial intelligence in the software development field. The programmer, who has served as an engineer at well-known tech companies such as FAANG (including Meta, Amazon, Apple, Netflix, and Google),凭借 his 30 years of programming experience, spent 200 hours trying to fix