[9] RFR (XXS): 8062258: compiler/debug/TraceIterativeGVN.java segfaults in trace_PhaseIterGVN

[Vladimir Kozlov]

I would suggest to dead node check in trace_PhaseIterGVN() instead of in  MemNode::adr_type().
So the fix for your JDK-8061995 should fix this problem too.

Thanks,
Vladimir

On 10/29/14 4:57 AM, Vladimir Ivanov wrote:
> http://cr.openjdk.java.net/~vlivanov/8062258/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8062258
>
> Trivial fix to avoid NULL dereference w/ -XX:+TraceIterativeGVN while querying adr_type() on dead MemNode.
>
> Testing: failing test.
>
> Best regards,
> Vladimir Ivanov