hg: jdk-updates/jdk11u-dev: 8210303: VM_HandshakeAllThreads fails assert with "failed: blocked and not walkable"

[matthias.baesken at sap.com]

Changeset: 697c41b265b1
Author:    rehn
Date:      2018-10-04 14:03 +0200
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/697c41b265b1

8210303: VM_HandshakeAllThreads fails assert with "failed: blocked and not walkable"
Reviewed-by: dcubed, dholmes

! src/hotspot/share/runtime/handshake.cpp