Controls.TableView-XmasTree benchmark crashes with SIGSEGV in build fx8.0-b56 (hudson build #26).
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x0000000102a07593, pid=59753, tid=4436054016
#
# JRE version: 7.0_04-b21
# Java VM: Java HotSpot(TM) 64-Bit Server VM (23.0-b21 mixed mode bsd-amd64 compressed oops)
# Problematic frame:
# J com.sun.javafx.sg.prism.NGGroup.renderChildren(Lcom/sun/prism/Graphics;Lcom/sun/javafx/sg/NodePath;)V
#


Steps to reproduce:
> > cd JFX_WS/tests/performance/Controls/
> ant
> java -Xmx512m -Dprism.order=sw -Djavafx.animation.fullspeed=true
       -cp "JFX_HOME/rt/lib/jfxrt.jar;./dist/Controls.jar;../FXBenchmark/dist/FXBenchmark.jar;../../../import/benchmarks-2.1.1/benchmarks-2.1.1.jar"
       jrockit.bm.Main controls.bm.XmasTreeTableViewBenchmark -i 20 -wt 5 -tr 15 -win-width 1280 -win-height 1024 -col-width 25 -row-height 10 -rows 90 -columns 50 -batch-size 10