Missing code assist in static method calling another static method

Consider this:

```groovy
package test56

class Test56 {
	static Date foo(String foo) {
		new Date()
	}
	
	static Date bar(String bar) {
		foo(bar).|
	}
}
```

Invoke code assist at "|", or otherwise add "cl" and then invoke code assist: no suggestion is given at all.