Filing the CR after an email discussion with Dalibor Topic.
"I'd proactively check the 7u4 source code up on Mercurial servers for bad copyright headers.
hotspot agent
http://hg.openjdk.java.net/jdk7u/jdk7u4/hotspot/file/f6f3bb0ee072/agent/src/share/classes/sun/jvm/hotspot/oops/ArrayData.java
http://hg.openjdk.java.net/jdk7u/jdk7u4/hotspot/file/cc347bb8cf1b/agent/src/share/classes/sun/jvm/hotspot/oops/BranchData.java
http://hg.openjdk.java.net/jdk7u/jdk7u4/hotspot/file/cc347bb8cf1b/agent/src/share/classes/sun/jvm/hotspot/oops/CounterData.java
http://hg.openjdk.java.net/jdk7u/jdk7u4/hotspot/file/cc347bb8cf1b/agent/src/share/classes/sun/jvm/hotspot/oops/DataLayout.java
http://hg.openjdk.java.net/jdk7u/jdk7u4/hotspot/file/cc347bb8cf1b/agent/src/share/classes/sun/jvm/hotspot/oops/JumpData.java
http://hg.openjdk.java.net/jdk7u/jdk7u4/hotspot/file/cc347bb8cf1b/agent/src/share/classes/sun/jvm/hotspot/oops/MultiBranchData.java
http://hg.openjdk.java.net/jdk7u/jdk7u4/hotspot/file/cc347bb8cf1b/agent/src/share/classes/sun/jvm/hotspot/oops/ReceiverTypeData.java
http://hg.openjdk.java.net/jdk7u/jdk7u4/hotspot/file/cc347bb8cf1b/agent/src/share/classes/sun/jvm/hotspot/oops/VirtualCallData.java
all start with
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
"
The headers should conform to the standard we use in other files.