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

[Nils Eliasson]

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
>