diff -r 7c4442271367 -r 9359b006782b emul/src/main/java/java/lang/Object.java
--- a/emul/src/main/java/java/lang/Object.java	Sat Jan 12 15:39:33 2013 +0100
+++ b/emul/src/main/java/java/lang/Object.java	Mon Jan 14 11:30:56 2013 +0100
@@ -66,7 +66,7 @@
      * @see    Class Literals, section 15.8.2 of
      *         <cite>The Java&trade; Language Specification</cite>.
      */
-    @JavaScriptBody(args="self", body="return self.constructor.$class;")
+    @JavaScriptBody(args={}, body="return this.constructor.$class;")
     public final native Class<?> getClass();
 
     /**
@@ -104,14 +104,14 @@
      * @see     java.lang.Object#equals(java.lang.Object)
      * @see     java.lang.System#identityHashCode
      */
-    @JavaScriptBody(args = "self", body = 
-        "if (self.$hashCode) return self.$hashCode;\n"
-        + "var h = self.computeHashCode__I(self);\n"
-        + "return self.$hashCode = h & h;"
+    @JavaScriptBody(args = {}, body = 
+        "if (this.$hashCode) return this.$hashCode;\n"
+        + "var h = this.computeHashCode__I();\n"
+        + "return this.$hashCode = h & h;"
     )
     public native int hashCode();
 
-    @JavaScriptBody(args = "self", body = "Math.random() * Math.pow(2, 32);")
+    @JavaScriptBody(args = {}, body = "Math.random() * Math.pow(2, 32);")
     native int computeHashCode();
     
     /**