Ar worked on stabilizing the ONNX Runtime build process in the CodeLinaro/onnxruntime repository by addressing compiler compliance issues related to noreturn warnings. Using C++ and focusing on error handling, Ar introduced the [[noreturn]] attribute to the SafeIntOnOverflow and SafeIntOnDivZero functions, which suppressed GCC -Wreturn-type warnings that previously caused build failures under strict compiler flags. This targeted patch improved CI reliability and ensured consistent builds across different compiler versions. The work demonstrated a strong grasp of C++ attribute usage and compiler warning management, contributing to more robust release cycles and enhanced maintainability for the ONNX Runtime codebase.