Hello, This is a direct backport from jdk 9 to jdk 8u. Note that this is a regression in 8u20. Issue: http://bugs.openjdk.java.net/browse/JDK-8043627 Changeset: http://hg.openjdk.java.net/jdk9/client/jdk/rev/6d828581eaee Reviewers: Alexandr Scherbatiy, Sergey Bylokhov, Petr Pchelko Thanks, SAM