Do not refer to initializing parameters in initializer lists.

pkg/analyzer/lib/src/generated/constant.dart

Index: pkg/analyzer/lib/src/generated/constant.dart
diff --git a/pkg/analyzer/lib/src/generated/constant.dart b/pkg/analyzer/lib/src/generated/constant.dart
index 5233b48c17917448841b3998c635b986a1c585bf..dfa53105cdc4f4c68a57f932fa760bee81503b57 100644
--- a/pkg/analyzer/lib/src/generated/constant.dart
+++ b/pkg/analyzer/lib/src/generated/constant.dart
@@ -118,8 +118,10 @@ class ConstantEvaluator {
    * [source]. The [typeProvider] is the type provider used to access known
    * types.
    */
-  ConstantEvaluator(this._source, this._typeProvider, {TypeSystem typeSystem})
-      : _typeSystem = typeSystem ?? new TypeSystemImpl(_typeProvider);
+  ConstantEvaluator(this._source, TypeProvider typeProvider,
+      {TypeSystem typeSystem})
+      : _typeSystem = typeSystem ?? new TypeSystemImpl(typeProvider),
+        _typeProvider = typeProvider;
 
   EvaluationResult evaluate(Expression expression) {
     RecordingErrorListener errorListener = new RecordingErrorListener();