Missed these files in last commit.

lib/compiler/implementation/ssa/codegen.dart

Index: lib/compiler/implementation/ssa/codegen.dart
===================================================================
--- lib/compiler/implementation/ssa/codegen.dart	(revision 8326)
+++ lib/compiler/implementation/ssa/codegen.dart	(working copy)
@@ -660,11 +660,11 @@
       // Printing the catch part.
       HParameterValue exception = info.catchVariable;
       String name = variableNames.getName(exception);
-      parameterNames[exception.element] = name;
+      parameterNames[exception.sourceElement] = name;
       buffer.add(' catch ($name) {\n');
       indent++;
       generateStatements(info.catchBlock);
-      parameterNames.remove(exception.element);
+      parameterNames.remove(exception.sourceElement);
       indent--;
       addIndented('}');
     }