Temporarily force our LLVMContext to the global context From llvm r75846: "To simplify the upcoming context-on-type change, switch all command line tools to using the default global context for now."

struct Vector {
        union { float x; float y; }
        const static Vector zero = { x : 0, y : 0 };
}

struct HBoxLayout {
        Vector padding  = Vector.zero;
}