Worked on stabilizing the Rust CFI sanitizer integration within the denoland/chromium_build repository, focusing on maintaining build reliability during a critical development phase. Addressed persistent test failures by reverting the Rust CFI sanitizer enablement and carefully adjusting related compiler flags in BUILD.gn, restoring stable builds and continuous integration reliability. This targeted configuration work ensured that downstream projects remained unaffected and release readiness was preserved. Demonstrated expertise in build system configuration, patch management, and root cause analysis using GN and Rust toolchain integration. The efforts prioritized risk mitigation and enabled ongoing development with minimal disruption, despite no new feature delivery during this period.