git: openjdk/jdk: 8295012: Arena should not derive from CHeapObj<mtNone>

[Kim Barrett]

Changeset: 5ad126f4
Author:    Kim Barrett <kbarrett at openjdk.org>
Date:      2022-10-12 01:55:58 +0000
URL:       https://git.openjdk.org/jdk/commit/5ad126f44662d81d2d065b215ed967c0b983f9c9

8295012: Arena should not derive from CHeapObj<mtNone>

Reviewed-by: stefank, dholmes

! src/hotspot/share/memory/arena.cpp
! src/hotspot/share/memory/arena.hpp