[8u] RFR (XS): Backport 8162540: Crash in C2 escape analysis with assert: "node should be registered"

[Vladimir Kozlov]

Looks good.

Thanks,
Vladimir

On 5/10/18 6:04 PM, Vladimir Ivanov wrote:
> http://cr.openjdk.java.net/~vlivanov/8162540/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8162540
> 
> It's a backport of JDK-8162540 into 8u.
> 
> The bug can lead to broken code being generated in product binaries when 
> Unsafe.getAndSetObject() or Unsafe.compareAndSwapObject() are used (some 
> details are described in JDK-8198543).
> 
> The fix from 9 doesn't apply cleanly, but minor adjustments are enough.
> 
> Thanks!
> 
> Testing: failing test, hotspot/test/
> 
> Best regards,
> Vladimir Ivanov
> 
> [1] https://bugs.openjdk.java.net/browse/JDK-8198543