fn execute_optimize_work_item<B: ExtraBackendMethods>(
cgcx: &CodegenContext<B>,
module: ModuleCodegen<B::Module>,
) -> WorkItemResult<B>
fn execute_optimize_work_item<B: ExtraBackendMethods>(
cgcx: &CodegenContext<B>,
module: ModuleCodegen<B::Module>,
) -> WorkItemResult<B>