incorrect error messages when nested vector is of unexpected type

Steps to reproduce:
1. Compile attached mxml file.

Actual Results:
Error: Elements of this Vector must be of type 'String'.
<mx:Vector type="String" id="foo"><mx:String>hi</mx:String></mx:Vector >

Error: Elements of this Vector must be of type 'int'.
<mx:Vector type="int" id="bar"><mx:int>100</mx:int></mx:Vector >

Expected Results:
Something like:

Error: Elements of this Vector must be of type 'Vector.<String>'.
for the top level vector