Syq worked on stabilizing the MIPS test configuration for r6 targets in the rust-lang/gcc repository, focusing on improving continuous integration reliability. By updating the test suite to use a fixed isa_rev=2 value instead of a range-based check, Syq addressed flaky test behavior without altering core compiler logic. This targeted fix, implemented in C and leveraging skills in compiler development and embedded systems, reduced false failures and enhanced test determinism. The change was carefully documented and tracked through precise commits, supporting future maintenance and auditability. Syq’s disciplined approach ensured improved test stability and maintainability within the project’s testing infrastructure.