RFR JDK-8040292: The verifier does not check that some annotation attributes are illegally specified more than once

[Coleen Phillimore]

This change looks good.  I think this code needs to be refactored longer 
term.
Coleen

On 4/22/14, 9:21 AM, harold seigel wrote:
> Hi,
>
> Please review this relatively small JDK-9 fix for bug JDK-8040292. The 
> JVM Specification states that there can only be one instance of 
> certain attributes.  The VM checked this for some, but not all cases.  
> This fix adds the missing checks.
>
> Open webrev:  http://cr.openjdk.java.net/~hseigel/bug_8040292_9/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8040292
>
> The fix was tested with the Hotspot JTREG tests, JCK Lang tests, nsk 
> Quick tests, and the test case in this webrev.
>
> Thanks! Harold