RFR (M): (7u60): Backport of 8027476: Improve performance of Stringtable unlink, 8027455: Improve symbol table scan times during gc pauses

[Thomas Schatzl]

Hi Coleen,

On Thu, 2014-01-30 at 17:11 -0500, Coleen Phillimore wrote:
> 
> This looks good.  Thank you for waiting for me to look at it.  I was
> concerned that there'd be some permgen interactions but symbols were
> removed in jdk7 so the backport looks mostly straightforward.

Thanks a lot for the quick review.

Thomas