You are using "wrong" b126, this is from main line, grab b126 jigsaw build that was just published to
https://jdk9.java.net/jigsaw/

C:\development\tools\jdk\jdk-9\bin> ./java -version
java version "9-ea"
Java(TM) SE Runtime Environment (build 9-ea+126-2016-07-10-164835.javare.5266.nc)
Java HotSpot(TM) Client VM (build 9-ea+126-2016-07-10-164835.javare.5266.nc, mixed mode)