Shenandoah crashes when running compiler/c2/cr6865031 test

[Zhengyu Gu]

Verified.

Thanks for fixing it.

-Zhengyu


On 10/05/2016 12:12 PM, Roland Westrelin wrote:
>> It appears that it crashes when pointing test jdk to
>> /build/linux-x86_64-normal-server-fastdebug/jdk, but works fine when
>> linux-x86_64-normal-server-fastdebug/images/jdk is used.
> I can reproduce it now. The problem is that the signal handler doesn't
> recognize a load of the brooks pointer from a null object as an implicit
> null check when compressed oops are on (subtracting the base doesn't
> happen because the load of a brooks pointer on a null object hits right
> below the base):
>
> http://cr.openjdk.java.net/~roland/shenandoah/compressedoops-nullcheck/webrev.00/
>
> Roland.