'arguments' object not supported by findAllRefs/getOccurrences

[DanielRosenwasser]

function foo() {
    arguments;

    arguments;
}

Expected: Find all refs on either arguments will give you both of the above. Get occurrences will highlight both.

Actual: No highlighting, no references found.

[Andarist]

This works OK today, the issue can be closed. cc @jakebailey