hg: valhalla/valhalla: 8189219: [MVT] Build fails with "shifting a negative signed value is undefined" on Mac

[david.simms at oracle.com]

Changeset: f0d9ab80d457
Author:    dsimms
Date:      2017-10-12 14:22 +0200
URL:       http://hg.openjdk.java.net/valhalla/valhalla/rev/f0d9ab80d457

8189219: [MVT] Build fails with "shifting a negative signed value is undefined" on Mac
Summary: Merge conflict stepped over JDK-8152856

! src/hotspot/share/oops/klass.hpp