hg: jdk-updates/jdk11u-dev: 8265239: Shenandoah: Shenandoah heap region count could be off by 1

[zgu at redhat.com]

Changeset: 4120a4f28cc4
Author:    zgu
Date:      2021-04-16 12:27 +0000
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/4120a4f28cc4

8265239: Shenandoah: Shenandoah heap region count could be off by 1
Reviewed-by: shade

! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp