[8u] request for approval: "8172145: C2: anti dependence missed because store hidden by membar"

[Vladimir Kozlov]

Martin updated bug's report with noreg label.
I will sponsor this backport.

Thanks,
Vladimir

On 1/4/17 3:05 AM, David Buck wrote:
> approved for backport to 8u-dev once appropriate noreg label has been added to the bug report.
>
> [ noreg labels ]
> http://openjdk.java.net/guide/changePlanning.html#noreg
>
> Cheers,
> -Buck
>
> On 2017/01/04 19:31, Doerr, Martin wrote:
>> Hi,
>>
>>
>>
>> could you please approve the backport of the following C2 fix to jdk8u-dev:
>>
>>
>>
>> 8172145: C2: anti dependence missed because store hidden by membar
>>
>>
>>
>> This small fix prevents wrong generated code by C2 compiler in rare situations.
>>
>>
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8172145
>>
>> Webrev: http://cr.openjdk.java.net/~mdoerr/8172145_C2_antidep/webrev.01/
>>
>> Review: http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2017-January/025252.html
>>
>> URL: http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/9102f200c421
>>
>>
>>
>> The original patch cleanly applies.
>>
>> Thanks and best regards,
>> Martin
>>