hg: jdk/jdk: 8241920: G1: Lazily initialize OtherRegionsTable::_coarse_map

[claes.redestad at oracle.com]

Changeset: c1700981433c
Author:    redestad
Date:      2020-04-09 14:59 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/c1700981433c

8241920: G1: Lazily initialize OtherRegionsTable::_coarse_map
Reviewed-by: tschatzl, eosterlund

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