--- old/src/java.base/share/classes/java/util/concurrent/locks/AbstractQueuedSynchronizer.java	2015-11-23 18:24:18.908830534 +0100
+++ new/src/java.base/share/classes/java/util/concurrent/locks/AbstractQueuedSynchronizer.java	2015-11-23 18:24:18.562795743 +0100
@@ -39,6 +39,7 @@
 import java.util.Collection;
 import java.util.Date;
 import java.util.concurrent.TimeUnit;
+import jdk.internal.vm.annotation.ReservedStackAccess;
 
 /**
  * Provides a framework for implementing blocking locks and related
@@ -886,6 +887,7 @@
      * @param arg the acquire argument
      * @return {@code true} if interrupted while waiting
      */
+    @ReservedStackAccess
     final boolean acquireQueued(final Node node, int arg) {
         try {
             boolean interrupted = false;
@@ -1218,6 +1220,7 @@
      *        {@link #tryAcquire} but is otherwise uninterpreted and
      *        can represent anything you like.
      */
+    @ReservedStackAccess
     public final void acquire(int arg) {
         if (!tryAcquire(arg) &&
             acquireQueued(addWaiter(Node.EXCLUSIVE), arg))
@@ -1281,6 +1284,7 @@
      *        can represent anything you like.
      * @return the value returned from {@link #tryRelease}
      */
+    @ReservedStackAccess
     public final boolean release(int arg) {
         if (tryRelease(arg)) {
             Node h = head;
@@ -1361,6 +1365,7 @@
      *        and can represent anything you like.
      * @return the value returned from {@link #tryReleaseShared}
      */
+    @ReservedStackAccess
     public final boolean releaseShared(int arg) {
         if (tryReleaseShared(arg)) {
             doReleaseShared();