--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Node.java	Tue Jun 23 12:32:16 2015 +0200
+++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Node.java	Tue Jun 23 08:34:21 2015 -0700
@@ -574,8 +574,8 @@
             if (filter == null || filter.test(usage)) {
                 boolean result = usage.getNodeClass().getInputEdges().replaceFirst(usage, this, other);
                 assert assertTrue(result, "not found in inputs, usage: %s", usage);
+                maybeNotifyInputChanged(usage);
                 if (other != null) {
-                    maybeNotifyInputChanged(usage);
                     other.addUsage(usage);
                 }
                 this.movUsageFromEndTo(i);

--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MacroNode.java	Tue Jun 23 12:32:16 2015 +0200
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MacroNode.java	Tue Jun 23 08:34:21 2015 -0700
@@ -68,7 +68,7 @@
     protected final InvokeKind invokeKind;
 
     protected MacroNode(NodeClass<? extends MacroNode> c, InvokeKind invokeKind, ResolvedJavaMethod targetMethod, int bci, JavaType returnType, ValueNode... arguments) {
-        super(c, StampFactory.forKind(returnType.getKind()));
+        super(c, returnStamp(returnType));
         assert targetMethod.getSignature().getParameterCount(!targetMethod.isStatic()) == arguments.length;
         this.arguments = new NodeInputList<>(this, arguments);
         this.bci = bci;
@@ -78,6 +78,15 @@
         assert !isPlaceholderBci(bci);
     }
 
+    private static Stamp returnStamp(JavaType returnType) {
+        Kind kind = returnType.getKind();
+        if (kind == Kind.Object) {
+            return StampFactory.declared((ResolvedJavaType) returnType);
+        } else {
+            return StampFactory.forKind(kind);
+        }
+    }
+
     public int getBci() {
         return bci;
     }