RFR (XXS) 8213767: Remove the -Xconcurrentio flag and associated code

[Robbin Ehn]

On 2018-11-14 03:24, Lois Foltan wrote:
> Looks good.

+1

/Robbin

> Lois
> 
> On 11/13/2018 8:51 PM, David Holmes wrote:
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8213767
>> CSR: https://bugs.openjdk.java.net/browse/JDK-8213768
>>
>> webrev: http://cr.openjdk.java.net/~dholmes/8213767/webrev/
>>
>>
>> This flag dates back to the JDK 1.2/1.3 days and was useful primarily on 
>> Solaris where it enabled use of LWP synchronization. But that became the 
>> default in JDK 1.4. The flag serves no useful purpose and is unlikely to have 
>> been used for many years.
>>
>> Thanks,
>> David
>