RFR (xs): JDK-8214057: GC/C2 abstraction for Node::has_special_unique_user()

[Roman Kennke]

Thanks Vladimir and Roland!

Any idea what's up with the test in Mach5 though?

[Mach5] mach5-one-rkennke-JDK-8214057-20181121-1951-11313: FAILED

Build Details: 2018-11-21-1948308.roman.source
0 Failed Tests
Mach5 Tasks Results Summary

    UNABLE_TO_RUN: 1
    FAILED: 0
    EXECUTED_WITH_FAILURE: 1
    KILLED: 0
    PASSED: 74
    NA: 0
    Build

        1 Executed with failure
            solaris-sparcv9-debug-solaris-sparcv9-build-10 error while
building, return value: 2

    Test

        1 Not run

tier1-solaris-sparc-open_test_hotspot_jtreg_tier1_common-solaris-sparcv9-debug-59
Dependency task failed:
mach5...olaris-sparcv9-debug-solaris-sparcv9-build-10


> +1
> 
> Vladimir
> 
> On 11/21/18 2:03 AM, Roland Westrelin wrote:
>>
>>> http://cr.openjdk.java.net/~rkennke/JDK-8214057/webrev.00/
>>
>> That looks good to me.
>>
>> Roland.
>>

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