{
    "configure-args": "--enable-gc-concurrent-marking --enable-ctypes --enable-rust-simd",
    "optimize": true,
    "debug": true,
    "env": {
        "JS_GC_ZEAL": "ConcurrentMarking"
    },
    "extra-args": {
        "jit-test": ["--args=--gc-param=concurrentMarkingEnabled=1", 
                     "--ignore-timeouts={DIR}/cgc-jittest-timeouts.txt"],
        "jstests": ["--args=--gc-param=concurrentMarkingEnabled=1",
                    "--exclude-file={DIR}/cgc-jstests-slow.txt"]
    }
}