[8u] RFR + RFA: 8188223: IfNode::range_check_trap_proj() should handler dying subgraph with single if proj

[Vladimir Kozlov]

Reviewed. The code in jdk 10 was refactored but execution place of the 
fix is the same. Good.

Thanks,
Vladimir

On 3/16/18 8:44 AM, Rob McKenna wrote:
> You may want to seek a codereview from hotspot-dev. Reviewers may or may
> not monitor this alias.
> 
>      -Rob
> 
> On 16/03/18 16:06, Roland Westrelin wrote:
>>
>> We (Red Hat) would like to backport 8188223 to 8u: we're hitting hit
>> with openJFX. The patch doesn't apply cleanly. See below for a new
>> webrev. It was pushed to jdk10 5 months ago and there was no follow up
>> bugs that I'm aware of.
>>
>> https://bugs.openjdk.java.net/browse/JDK-8188223
>> http://hg.openjdk.java.net/jdk10/master/rev/24ebaf9d7198
>>
>> New webrev:
>>
>> http://cr.openjdk.java.net/~roland/8188223-8u/webrev.00/
>>
>> Roland.