Ensure only a subset of elements enter in Compiler.analyzedElement.

sdk/lib/_internal/compiler/implementation/compile_time_constants.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of dart2js;
 
 /**
  * The [ConstantHandler] keeps track of compile-time constants,
  * initializations of global and static fields, and default values of
  * optional parameters.
@@ skipping 131 matching lines @@
   /**
    * Returns the a compile-time constant if the variable could be compiled
    * eagerly. Otherwise returns `null`.
    */
   Constant compileVariable(VariableElement element, {bool isConst: false}) {
     return measure(() {
       if (initialVariableValues.containsKey(element)) {
         Constant result = initialVariableValues[element];
         return result;
       }
-      return compiler.withCurrentElement(element, () {
-        TreeElements definitions = compiler.analyzeElement(element.declaration);
+      Element currentElement = element;
+      if (element.isParameter()
+          || element.isFieldParameter()
+          || element.isVariable()) {
+        currentElement = element.enclosingElement;
+      }
+      return compiler.withCurrentElement(currentElement, () {
+        TreeElements definitions =
+            compiler.analyzeElement(currentElement.declaration);
         Constant constant = compileVariableWithDefinitions(
             element, definitions, isConst: isConst);
         return constant;
       });
     });
   }
 
   /**
    * Returns the a compile-time constant if the variable could be compiled
    * eagerly. If the variable needs to be initialized lazily returns `null`.
@@ skipping 797 matching lines @@
           if (fieldValue == null) {
             // Use the default value.
             fieldValue = handler.compileConstant(field);
           }
           jsNewArguments.add(fieldValue);
         },
         includeSuperAndInjectedMembers: true);
     return jsNewArguments;
   }
 }