8205097: RFR(S): zBarrierSetC2::split_barrier_thru_phi need to update idom

[Nils Eliasson]

https://bugs.openjdk.java.net/browse/JDK-8204927

http://cr.openjdk.java.net/~neliasso/8204927/webrev.01/

// Nils


On 2018-06-15 13:53, Nils Eliasson wrote:
> I mixed up the bug numbers.
>
> This will be submitted as JDK-8204927 and JDK-8205097 will be closed 
> as a dup. I will update the webrev accordingly before pushing.
>
> Regards,
>
> Nils
>
>
>
> On 2018-06-15 11:38, Nils Eliasson wrote:
>> Hi,
>>
>> This patch fixes missing updates of the idom when splitting barrier 
>> thru phis.
>>
>> Please review.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8205097
>>
>> Webrev: http://cr.openjdk.java.net/~neliasso/8205097/webrev.01/
>>
>> Regards,
>>
>> Nils Eliasson
>>
>