During July 2025, Haomin Wang focused on enhancing the reliability and maintainability of JetBrainsRuntime by addressing a critical issue in the C2 JIT compiler. He implemented a targeted fix for SuperWord truncation, ensuring correct handling of IsFiniteF and IsFiniteD nodes during JIT optimization. This work, carried out in C++ and leveraging deep compiler optimization and low-level programming expertise, prevented unexpected node errors and improved finite-check processing. By strengthening the core JIT paths in the JetBrains/JetBrainsRuntime repository, Haomin’s contribution reduced runtime risk and increased stability for downstream applications, reflecting a depth of understanding in complex compiler internals.