Two mxml files with the same name and both containing inline itemrenderers creates a non-user firendly compilation error message

Found against Flex SDK 3.2, 3.4, 4.0 (build 9857)

See the project attached.
Two mxml files with the same name and both containing inline itemrenderers creates a non-user firendly compilation error message

Actual Results:
Compilation error.

Expected Results:
No compilation error.

Workaround (if any):
Rename on of the mxml file.

Checking out the generated as files, the generated class for a itemrenderer does not keep track of the package (everything is sticked at the top level package), so there is a clonfict.