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Matching Prints Hide Freed Storage: A Twin-Run Sanitizer Gate for C++ Patches

This story is from 2026-10-09. It is preserved in the archive; the latest stories are on the live feed.

A coding-model case accepted a C++ patch because the program printed case-7 and exited zero. The same binary, started again with the same arguments, printed that line a second time. Nothing in the functional golden file moved. A sibling build, compiled with AddressSanitizer and UndefinedBehaviorSan…

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  1. 2026-10-09 13:30 · DEV Community — AI
    Matching Prints Hide Freed Storage: A Twin-Run Sanitizer Gate for C++ Patches

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