git: openjdk/mobile: 8242459: ForceNUMA and only one available NUMA node hits a guarantee

[duke]

Changeset: 538e0058
Author:    Kim Barrett <kbarrett at openjdk.org>
Date:      2020-04-28 03:02:21 +0000
URL:       https://git.openjdk.java.net/mobile/commit/538e0058

8242459: ForceNUMA and only one available NUMA node hits a guarantee

Fix some asserts to handle the single-NUMA node + ForceNUMA case.

Reviewed-by: sjohanss, tschatzl

! src/hotspot/share/gc/g1/g1NUMAStats.cpp