Function rustc_codegen_ssa::back::write::copy_all_cgu_workproducts_to_incr_comp_cache_dir

pub(in back::write) fn copy_all_cgu_workproducts_to_incr_comp_cache_dir(
    sess: &Session, 
    compiled_modules: &CompiledModules
) -> FxHashMap<WorkProductId, WorkProduct>