~/lightning

Lightning Talk: Terminating Your Bugs With Time Travel and AI

Lightningat C++ on Sea 2025 · 2025-06-23..06-25· [ai-assisted-development]
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Demo shows an extension that pipes an explain command into Undo’s deterministic time-travel debugging session and queries Claude (AI) to interpret debugger steps. The demo issues UDB commands (ugo n, reverse finish, reverse next) automatically, finds that cache_calculate returned 255 while sqrt computed 0 instead of the expected 15, traces the last write to a previously stored -1 that causes an out‑of‑bounds result, and the prototype successfully locates the root cause.

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