# HG changeset patch
# User Lukas Stadler <lukas.stadler@jku.at>
# Date 1367852303 -7200
# Node ID c064c48b93878a888b8f61fae0cae4bd060f75ca
# Parent  d6bf345d58c137e6b7ffe2ce44fca79a13322d53
fix virtualization of ObjectEqualsNode

diff -r d6bf345d58c1 -r c064c48b9387 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ObjectEqualsNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ObjectEqualsNode.java	Mon May 06 15:25:33 2013 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ObjectEqualsNode.java	Mon May 06 16:58:23 2013 +0200
@@ -77,9 +77,16 @@
         boolean xVirtual = stateX != null && stateX.getState() == EscapeState.Virtual;
         boolean yVirtual = stateY != null && stateY.getState() == EscapeState.Virtual;
 
-        if (xVirtual ^ yVirtual) {
-            // one of them is virtual: they can never be the same objects
-            tool.replaceWithValue(LogicConstantNode.contradiction(graph()));
+        if (xVirtual && !yVirtual) {
+            if (stateX.getVirtualObject().hasIdentity()) {
+                // one of them is virtual: they can never be the same objects
+                tool.replaceWithValue(LogicConstantNode.contradiction(graph()));
+            }
+        } else if (!xVirtual && yVirtual) {
+            if (stateY.getVirtualObject().hasIdentity()) {
+                // one of them is virtual: they can never be the same objects
+                tool.replaceWithValue(LogicConstantNode.contradiction(graph()));
+            }
         } else if (xVirtual && yVirtual) {
             boolean xIdentity = stateX.getVirtualObject().hasIdentity();
             boolean yIdentity = stateY.getVirtualObject().hasIdentity();