RFR (XS) JDK-8038076: constraint on multianewarray instruction is not checked since class version 50

Coleen Phillimore coleen.phillimore at oracle.com
Fri Apr 11 13:58:03 UTC 2014


Looks good.
Coleen

On 4/11/14, 9:19 AM, Lois Foltan wrote:
> Hello,
>
> Please review the following fix:
>
> Webrev:
>       http://cr.openjdk.java.net/~lfoltan/bug_jdk8038076/
>
> Bug: constraint on multianewarray instruction is not checked since 
> class version 50
> https://bugs.openjdk.java.net/browse/JDK-8038076
>
> Summary of fix:
> The incorrect placement of a post increment operator was causing the 
> calculated dimensions of a multianewarray bytecode to be 1 greater 
> than reality.  The end result of this bug was that a VerifyError would 
> not be correctly generated if the multianewarray bytecode contained an 
> array type descriptor that was 1 dimension smaller than the number of 
> dimensions specified.  Thank you to Christian Tornqvist for writing 
> the test case included.
>
> Tests:
>       - jtreg hotspot/test/*, JDK java.lang & java.util, 
> vm.quick.testlist, JCK lang tests
>       - JCK vm in progress
>
> Thank you,
> Lois



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