[8u] RFR 8231779: crash HeapWord*ParallelScavengeHeap::failed_mem_allocate

[Severin Gehwolf]

Hi Zhengyu,

On Wed, 2020-07-08 at 14:10 -0400, Zhengyu Gu wrote:
> I would like to backport this patch to 8u for parity with Oracle 8u271.
> 
> The original patch does not apply cleanly. But the conflicts are minors:
> 
> 1) Copyright line does not match.
> 2) Last block is under Universe::heap() != NULL check in 8u, while 
> original version does not have such check.
> 
> Original bug: https://bugs.openjdk.java.net/browse/JDK-8231779
> Original patch: https://hg.openjdk.java.net/jdk/jdk/rev/fcbd54a2c2d9
> 
> 
> 8u Webrev: http://cr.openjdk.java.net/~zgu/JDK-8231779-8u/webrev.00/

Looks good to me.

Thanks,
Severin