RFR (XS) 8207944: java.lang.ClassFormatError: Extra bytes at the end of class file test" possibly violation of JVMS 4.7.1

[Karen Kinnear]

Ship it.

thanks,
Karen

> On Jul 26, 2018, at 1:05 PM, Harold David Seigel <harold.seigel at oracle.com> wrote:
> 
> Hi,
> 
> Please review this JDK-11 fix for bug JDK-8207944.  The fix adds necessary handling of unknown attributes when the class file version >= JAVA_11_VERSION.  Without this fix, the class file bytes for those attributes do not get skipped over when parsing the class file, corrupting further parsing of the class file.
> 
> Open Webrev: http://cr.openjdk.java.net/~hseigel/bug_8207944_11/webrev/
> 
> JBS Bug:  https://bugs.openjdk.java.net/browse/JDK-8207944
> 
> This fix was regression tested by running JCK Lang and VM tests on Linux-x64 and by running the new test.  Testing that consists of running Mach5 tiers 1 and 2 tests and builds on Linux-X64, Windows, Solaris Sparc, and Mac OS X, and running tiers 3-5 tests on Linux-x64, is in progress.
> 
> Thanks, Harold
>