git: openjdk/mobile: 8242448: Change HeapRegionManager::guarantee_contiguous_range to be assert_contiguous_range

[duke]

Changeset: b18e006b
Author:    Stefan Johansson <sjohanss at openjdk.org>
Date:      2020-04-14 15:18:22 +0000
URL:       https://git.openjdk.java.net/mobile/commit/b18e006b

8242448: Change HeapRegionManager::guarantee_contiguous_range to be assert_contiguous_range

Reviewed-by: tschatzl, kbarrett

! src/hotspot/share/gc/g1/heapRegionManager.cpp
! src/hotspot/share/gc/g1/heapRegionManager.hpp