[jdk13u-dev] Integrated: 8259271: gc/parallel/TestDynShrinkHeap.java still fails "assert(covered_region.contains(new_memregion)) failed: new region is not in covered_region"

[Olga Mikhaltsova]

On Fri, 17 Sep 2021 13:43:16 GMT, Olga Mikhaltsova <omikhaltcova at openjdk.org> wrote:

> I'd like to backport JDK-8259271 to jdk13u for parity with jdk11u.
> The original patch applied manually. The patch is absolutely identical to the jdk11u patch, it also uses OrderAccess instead of Atomic because the method was moved from OrderAccess to Atomic only in JDK 14 with JDK-8234562. It's the only difference with the original patch.
> All regular tests passed.

This pull request has now been integrated.

Changeset: 49355efd
Author:    Olga Mikhaltsova <omikhaltcova at openjdk.org>
Committer: Yuri Nesterenko <yan at openjdk.org>
URL:       https://git.openjdk.java.net/jdk13u-dev/commit/49355efdd6ad91c34144a1dd4b8245ff3352262f
Stats:     5 lines in 1 file changed: 4 ins; 0 del; 1 mod

8259271: gc/parallel/TestDynShrinkHeap.java still fails "assert(covered_region.contains(new_memregion)) failed: new region is not in covered_region"

Use load_acquire to order reads of top and end.

Reviewed-by: yan
Backport-of: 685c03dc4899e4f43e830d516b751969ed20ec21

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PR: https://git.openjdk.java.net/jdk13u-dev/pull/263