RFR [10]: 8180423: Remove flag UseRelocIndex

[Vladimir Kozlov]

Nice cleanup.

Thanks,
Vladimir

On 5/16/17 8:27 AM, Claes Redestad wrote:
> Hi,
>
> the develop flag UseRelocIndex has been both disabled and broken
> for quite some time and I think it should be removed (if the now
> dead optimization is worthwhile it needs to be re-designed anyhow).
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8180423
> Webrev: http://cr.openjdk.java.net/~redestad/8180423/hotspot.00/
>
> While some of this does show up in startup profiles, e.g.,
> RelocIterator::create_index is called 242 times in one test,
> the cost is definitely infinitesimal and this should be seen
> primarily as cleaning out dead, broken and untested code.
>
> Testing: RBT hs-tier2,hs-tier3-comp
>
> Thanks!
>
> /Claes