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

Fri Sep 17 14:22:43 UTC 2021

Changeset: 49355efd
Author:    Olga Mikhaltsova <omikhaltcova at openjdk.org>
Committer: Yuri Nesterenko <yan at openjdk.org>
Date:      2021-09-17 14:20:54 +0000
URL:       https://git.openjdk.java.net/jdk13u-dev/commit/49355efdd6ad91c34144a1dd4b8245ff3352262f

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

! src/hotspot/share/gc/parallel/mutableSpace.cpp