Review thread : http://mail.openjdk.java.net/pipermail/2d-dev/2014-July/004682.html Bug https://bugs.openjdk.java.net/browse/JDK-7067052 JDK9 changset :http://hg.openjdk.java.net/jdk9/client/jdk/rev/327e816d4c7e : Identical jdk8 fix : http://cr.openjdk.java.net/~prr/7067052.8u/ -phil.