RFR 8198908: Add JVM support for preview features

Lois Foltan lois.foltan at oracle.com
Thu Apr 5 15:53:49 UTC 2018

On 4/5/2018 11:18 AM, harold seigel wrote:

> Hi,
> Please review this fix to implement the JVM part of JEP 12 
> <https://bugs.openjdk.java.net/browse/JDK-8195734>. The changes 
> involve modifications to JDK major and minor class version processing 
> and adding additional logging.
> Open Webrev: http://cr.openjdk.java.net/~hseigel/bug_8198908/webrev/
> JBS Bug:  https://bugs.openjdk.java.net/browse/JDK-8198908
> CSR:  https://bugs.openjdk.java.net/browse/JDK-8200440
> This fix was tested with Mach5 tiers 1 and 2 tests and builds on all 
> Mach5 platforms, with tiers 3-5 tests on Linux-x64, and with JCK-11 
> Lang and VM tests.
> Thanks, Harold
Looks good but I would really like to see a comment explaining the same 
details that are listed in the CSR specification section of JDK-8200440 
ahead of the verify_class_version() method in classFileParser.cpp.

I don't need to see another webrev.

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