hg: jdk/hs: 8196372: [BACKOUT] NMT: add_committed_regions doesn't merge succeeding regions

[jesper.wilhelmsson at oracle.com]

Changeset: ec4a84ba2aaf
Author:    jwilhelm
Date:      2018-01-30 16:26 +0100
URL:       http://hg.openjdk.java.net/jdk/hs/rev/ec4a84ba2aaf

8196372: [BACKOUT] NMT: add_committed_regions doesn't merge succeeding regions
Reviewed-by: stefank

! src/hotspot/share/services/virtualMemoryTracker.cpp
- test/hotspot/jtreg/runtime/NMT/VirtualAllocCommitMerge.java