Optimise bytecode for empty list expressions

class Book {
    String title
    String blurb = ''
    List<String> authors = []
}

@Generated
public Book() {
    String var1 = "";
    this.blurb = var1;
    List var2 = ScriptBytecodeAdapter.createList(new Object[0]);
    this.authors = var2;
    MetaClass var3 = this.$getStaticMetaClass();
    this.metaClass = var3;
}