Missed these files in last commit.

lib/compiler/implementation/ssa/nodes.dart

Index: lib/compiler/implementation/ssa/nodes.dart
===================================================================
--- lib/compiler/implementation/ssa/nodes.dart	(revision 8326)
+++ lib/compiler/implementation/ssa/nodes.dart	(working copy)
@@ -1786,14 +1786,14 @@
 }
 
 class HParameterValue extends HInstruction {
-  final Element element;
+  HParameterValue(element) : super(<HInstruction>[]) {
+    sourceElement = element;
+  }
 
-  HParameterValue(this.element) : super(<HInstruction>[]);
-
   void prepareGvn() {
     assert(!hasSideEffects());
   }
-  toString() => 'parameter ${element.name}';
+  toString() => 'parameter ${sourceElement.name}';
   accept(HVisitor visitor) => visitor.visitParameterValue(this);
   bool isCodeMotionInvariant() => true;
 }