hg: jdk9/hs-rt/hotspot: 8130681: Kitchensink startup crashes JVM with NMT overlapping ranges

[harold.seigel at oracle.com]

Changeset: 83b9a8e8593d
Author:    mockner
Date:      2015-09-24 11:26 -0400
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/83b9a8e8593d

8130681: Kitchensink startup crashes JVM with NMT overlapping ranges
Summary: add_committed_region now handles overlapping commits.
Reviewed-by: hseigel, coleenp

! src/share/vm/services/virtualMemoryTracker.cpp
+ test/runtime/NMT/CommitOverlappingRegions.java