hg: jdk/sandbox: 8227041: runtime/memory/RunUnitTestsConcurrently.java has a memory leak

[chris.hegarty at oracle.com]

Changeset: 8a153a932d0f
Author:    stuefe
Date:      2019-07-02 10:28 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/8a153a932d0f

8227041: runtime/memory/RunUnitTestsConcurrently.java has a memory leak
Reviewed-by: stefank, coleenp

! src/hotspot/share/memory/metaspace.cpp
! src/hotspot/share/prims/whitebox.cpp