RFR 8241934: Simplify parse_stream() and remove has_class_mirror_holder_cld()

[coleen.phillimore at oracle.com]

This looks good to me!
Coleen

On 4/30/20 4:17 PM, Harold Seigel wrote:
> Hi,
>
> Please review this change to simplify creation of class loader datas 
> for unsafe anonymous classes and for hidden classes that are not 
> strong.  This change was originally proposed by coleenp.
>
> Open Webrev: 
> http://cr.openjdk.java.net/~hseigel/bug_8241934/webrev/index.html
>
> JBS Bug: https://bugs.openjdk.java.net/browse/JDK-8241934
>
> The fix was regression tested by running Mach5 tiers 1 and 2 tests and 
> builds on Linux-x64, Solaris, Windows, and Mac OS X, by running Mach5 
> tiers 3-5 tests on Linux-x64, and running tiers 6 and 7 tests (in 
> progress) on Windows.
>
> Thanks, Harold
>