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I did a test with the 13.1 version. Now it compiles.
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Ok, that is good.
Even though you have confirmed it works under 13.1, it would be nice to get it to work under 14.1, since there may be bugs in 13.1 that you have yet to stumble upon :)
I'd recommend saving the working version (.qar file) and then re-open the project in 14.1. Perform whatever step is needed to upgrade the IP, and then try simulating again.
If that sequence fails, open a Service Request and send the 13.1 .qar file and notes as to the upgrade steps you performed and ask Altera why it fails.
Bugs in the Altera tools cannot be fixed without demonstrations of those bugs, so it is useful to provide feedback to Altera.
Cheers,
Dave
Honored Contributor
