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pkg/compiler/lib/src/inferrer/inferrer_engine.dart

 // Copyright (c) 2017, 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.
 
 import 'package:kernel/ast.dart' as ir;
 
 import '../common.dart';
 import '../common/names.dart';
 import '../compiler.dart';
 import '../constants/expressions.dart';
@@ skipping 563 matching lines @@
 
   void refine() {
     while (!workQueue.isEmpty) {
       if (compiler.shouldPrintProgress) {
         reporter.log('Inferred $overallRefineCount types.');
         compiler.progress.reset();
       }
       TypeInformation info = workQueue.remove();
       TypeMask oldType = info.type;
       TypeMask newType = info.refine(this);
-      // Check that refinement has not accidentially changed the type.
+      // Check that refinement has not accidentally changed the type.
       assert(oldType == info.type);
       if (info.abandonInferencing) info.doNotEnqueue = true;
       if ((info.type = newType) != oldType) {
         overallRefineCount++;
         info.refineCount++;
         if (info.refineCount > MAX_CHANGE_COUNT) {
           if (debug.ANOMALY_WARN) {
             print("ANOMALY WARNING: max refinement reached for $info");
           }
           info.giveUp(this);
@@ skipping 480 matching lines @@
   /**
    * Records that the captured variable [local] is read.
    */
   void recordCapturedLocalRead(Local local) {}
 
   /**
    * Records that the variable [local] is being updated.
    */
   void recordLocalUpdate(Local local, TypeInformation type) {}
 }