RFR(XS): 8235870: C2 crashes in IdealLoopTree::est_loop_flow_merge_sz()

[Tobias Hartmann]

Hi Patric,

looks good and trivial to me.

Best regards,
Tobias

On 13.01.20 12:11, Patric Hedlin wrote:
> Dear all,
> 
> I would like to ask for help to review the following change/update:
> 
> Issue:  https://bugs.openjdk.java.net/browse/JDK-8235870
> Webrev: http://cr.openjdk.java.net/~phedlin/tr8235870/
> 
> 8235870: C2 crashes in IdealLoopTree::est_loop_flow_merge_sz()
> 
>     Method missing necessary checks, made more robust.
> 
> Testing: hs-tier1-3, LuceneBench24H
> 
> 
> Best regards,
> Patric
>