During September 2025, Chigot contributed to the rust-lang/gcc repository by addressing a test categorization issue in the GCC test suite. He relocated the pr113356.C test from the general AArch64 directory to the g++.target directory, ensuring it runs specifically under the C++ compiler. This targeted bug fix improved the accuracy of continuous integration by reducing false negatives and aligning test organization with language-specific targets. Chigot’s work involved C++ and build systems, with a focus on compiler testing. The solution was implemented with minimal code changes, demonstrating careful attention to maintenance overhead and the integrity of the test infrastructure.