Hi, Please review this small but significant change to Zero only code related to S390 (31bit) Zero self-build failures. Bug: https://bugs.openjdk.java.net/browse/JDK-8201509 webrev: http://cr.openjdk.java.net/~chrisphi/JDK-8201509/webrev.1 Cheers! Chris Phillips @ Red Hat in T.O.