# HG changeset patch
# User Lukas Stadler <lukas.stadler@jku.at>
# Date 1365440630 -7200
# Node ID b4d42a06b3a32cb03433fae346902880f1a2739a
# Parent  de6eaeae1190107befb2d0651acd03e73ca1c70d
only eliminate locks for instances

diff -r de6eaeae1190 -r b4d42a06b3a3 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AccessMonitorNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AccessMonitorNode.java	Mon Apr 08 19:03:25 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AccessMonitorNode.java	Mon Apr 08 19:03:50 2013 +0200
@@ -28,6 +28,7 @@
 import com.oracle.graal.nodes.extended.*;
 import com.oracle.graal.nodes.spi.*;
 import com.oracle.graal.nodes.type.*;
+import com.oracle.graal.nodes.virtual.*;
 
 /**
  * The {@code AccessMonitorNode} is the base class of both monitor acquisition and release.
@@ -72,7 +73,7 @@
     @Override
     public void virtualize(VirtualizerTool tool) {
         State state = tool.getObjectState(object);
-        if (state != null && state.getState() == EscapeState.Virtual) {
+        if (state != null && state.getState() == EscapeState.Virtual && state.getVirtualObject().getClass() == VirtualInstanceNode.class) {
             Debug.log("monitor operation %s on %s\n", this, state);
             int newLockCount = state.getLockCount() + (this instanceof MonitorEnterNode ? 1 : -1);
             state.setLockCount(newLockCount);