Added TODO.

lib/compiler/implementation/ssa/codegen.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.
 
 class SsaCodeGeneratorTask extends CompilerTask {
 
   final JavaScriptBackend backend;
 
   SsaCodeGeneratorTask(JavaScriptBackend backend)
       : this.backend = backend,
@@ skipping 792 matching lines @@
   bool visitLoopInfo(HLoopBlockInformation info) {
     HExpressionInformation condition = info.condition;
     bool isConditionExpression = isJSCondition(condition);
 
     js.Loop loop;
 
     switch (info.kind) {
       // Treate all three "test-first" loops the same way.
       case HLoopBlockInformation.FOR_LOOP:
       case HLoopBlockInformation.WHILE_LOOP:
-      case HLoopBlockInformation.FOR_IN_LOOP: {
+      case HLoopBlockInformation.FOR_IN_LOOP:
         HBlockInformation initialization = info.initializer;
         int initializationType = TYPE_STATEMENT;
         if (initialization !== null) {
           initializationType = expressionType(initialization);
           if (initializationType == TYPE_STATEMENT) {
             generateStatements(initialization);
             initialization = null;
           }
         }
         if (isConditionExpression &&
@@ skipping 81 matching lines @@
             wrapLoopBodyForContinue(info);
             generateStatements(info.updates);
           } else {
             visitBodyIgnoreLabels(info);
           }
           currentContainer = oldContainer;
           body = unwrapStatement(body);
           loop = new js.While(jsCondition, body);
         }
         break;
-      }
-      case HLoopBlockInformation.DO_WHILE_LOOP: {
+      case HLoopBlockInformation.DO_WHILE_LOOP:
         // Generate do-while loop in all cases.
         if (info.initializer !== null) {
           generateStatements(info.initializer);
         }
         js.Block oldContainer = currentContainer;
         js.Statement body = new js.Block.empty();
         currentContainer = body;
         if (!isConditionExpression || info.updates !== null) {
           wrapLoopBodyForContinue(info);
         } else {
           visitBodyIgnoreLabels(info);
         }
         if (info.updates !== null) {
           generateStatements(info.updates);
         }
         if (isConditionExpression) {
           push(generateExpression(condition));
         } else {
           generateStatements(condition);
           use(condition.conditionExpression);
         }
         js.Expression jsCondition = pop();
         currentContainer = oldContainer;
         body = unwrapStatement(body);
         loop = new js.Do(body, jsCondition);
         break;
-      }
       default:
         compiler.internalError(
           'Unexpected loop kind: ${info.kind}',
           instruction: condition.conditionExpression);
     }
     attachLocationRange(loop, info.sourcePosition, info.endSourcePosition);
     pushStatement(wrapIntoLabels(loop, info.labels));
     return true;
   }
 
@@ skipping 2030 matching lines @@
   if (leftType.canBeNull() && rightType.canBeNull()) {
     if (left.isConstantNull() || right.isConstantNull() ||
         (leftType.isPrimitive() && leftType == rightType)) {
       return '==';
     }
     return null;
   } else {
     return '===';
   }
 }