hg: shenandoah/jdk8/hotspot: [backport] 8265239: Shenandoah: Shenandoah heap region count could be off by 1

[zgu at redhat.com]

Changeset: 52756aa9369d
Author:    zgu
Date:      2021-04-16 12:27 +0000
URL:       https://hg.openjdk.java.net/shenandoah/jdk8/hotspot/rev/52756aa9369d

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

! src/share/vm/gc_implementation/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoahHeapRegion.cpp