RFR: 8227068: [Graal] MappedByteBuffer bulk access memory failures are not handled gracefully

[Vladimir Kozlov]

Looks good. But I think you should go through upstream Graal PR first. You can push into jdk/jdk simultaneously but 
changes should match to upstream changes.

thanks,
Vladimir

On 7/9/19 8:29 AM, Jamsheed wrote:
> Hi,
> 
> Request for review
> 
> JDK-8191278 guarded c2 compiler Unsafe.copyMemory intrinsic for invalid memory access failures. this was not done for 
> graal compiler intrinsic.
> 
> this patch handles graal case.
> 
> jbs: https://bugs.openjdk.java.net/browse/JDK-8227068
> 
> webrev: http://cr.openjdk.java.net/~jcm/8227068/webrev.00/
> 
> tested: graal unittests, mach5 (1-5, tests running)
> 
> aot failing test: manually verified.
> 
> Best regards,
> 
> Jamsheed
>