RFR 8214807: Improve handling of very old class files

[Karen Kinnear]

Looks good. Many thanks.

Karen

> On Dec 5, 2018, at 1:36 PM, Harold David Seigel <harold.seigel at oracle.com> wrote:
> 
> Hi,
> 
> Please review this fix for JDK-8214807.  The fix changes handling of very old class files to be similar to class files whose version is < 52.
> 
> Open Webrev: http://cr.openjdk.java.net/~hseigel/bug_8214807/webrev/
> 
> JBS Bug:  https://bugs.openjdk.java.net/browse/JDK-8214807
> 
> The fix was regression tested by running Mach5 tiers 1 and 2 tests and builds on Linux-x64, Windows, and Mac OS X, running tiers 3-5 tests on Linux-x64, and by running JCK-12 API, Lang and VM tests on Linux-x64.
> 
> Thanks, Harold
>