[8u] RFR and RFA: 8172850: Anti-dependency on membar causes crash in register allocator due to invalid instruction scheduling

[Seán Coffey]

Approved for jdk8u-dev.

regards,
Sean.


On 23/10/2018 18:11, Vladimir Kozlov wrote:
> Looks good.
>
> Thanks,
> Vladimir
>
> On 10/15/18 4:10 AM, Roland Westrelin wrote:
>>
>> I'd like to backport 8172850 to 8u because I'd also like to backport a
>> change that depends on it: 8209639. The change doesn't apply cleanly. So
>> here is an updated webrev:
>>
>> http://cr.openjdk.java.net/~roland/8172850-8u/webrev.00/
>>
>> Initial change:
>>
>> https://bugs.openjdk.java.net/browse/JDK-8172850
>> http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/6bf44f4e2a1e
>>
>> Roland.
>>