Heap verification fails on windows with:

 # A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (c:/jprt/T/P1/093716.dpochepk/s/hotspot/src/os/windows/vm/os_windows.cpp:5307), pid=52528, tid=105564
# fatal error: corrupted C heap
#
# JRE version: Java(TM) SE Runtime Environment (9.0) (fastdebug build 9-internal+0-2016-08-01-093716.dpochepk.hs-comp)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 9-internal+0-2016-08-01-093716.dpochepk.hs-comp, mixed mode, tiered, compressed oops, g1 gc, windows-amd64)