Worked on stabilizing the Windows AVX-512 build process for the llvm-zorg repository by updating the continuous integration configuration to utilize Intel icx.EXE from the OneAPI toolchain. This change addressed persistent compilation failures caused by outdated toolchain settings and improved cross-compiler compatibility within Windows environments. The work focused on build system configuration and CI/CD practices, specifically targeting the integration of Intel OneAPI products. By expanding CI coverage for AVX-512 build paths, the update reduced regression risk and triage time. The solution was implemented using Python and demonstrated a methodical approach to cross-platform build reliability and toolchain management.