RFR: Merge remaining jdk11

[Zhengyu Gu]

Ok!

Thanks,

-Zhengyu

On 06/08/2018 10:36 AM, Roman Kennke wrote:
> This merges from jdk/jdk up to:
> 
> changeset:   50805:ec70aad8aebe
> user:        simonis
> date:        Fri Jun 08 10:22:26 2018 +0200
> summary:     8204335: [ppc] Assembler::add_const_optimized incorrect for
> some inputs
> 
> 
> There've only been smallish stuff, and a bunch of improvements that I
> pushed to upstream meanwhile.
> 
> Testing looks good, except that StringInternCleanup.java appears to
> trigger a bug in concurrentHashMap when run from fastdebug. I hope
> Zhengyu can look at that?
> 
> List of changesets:
> http://cr.openjdk.java.net/~rkennke/upstream-merge-2018-06-08/outgoing.txt
> 
> Ok?
> 
> Roman
>