Revert "Canonicalize raw type"

sdk/lib/_internal/compiler/implementation/ssa/builder.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 ssa;
 
 /**
  * A special element for the extra parameter taken by intercepted
  * methods. We need to override [Element.computeType] because our
  * optimizers may look at its declared type.
@@ skipping 3042 matching lines @@
     } else {
       target = new HInvokeSuper(inputs);
       add(target);
       inputs = <HInstruction>[target];
       addDynamicSendArgumentsToList(node, inputs);
       push(new HInvokeClosure(selector, inputs));
     }
   }
 
   HInstruction analyzeTypeArgument(DartType argument, Node currentNode) {
-    if (argument == compiler.types.dynamicType) {
-      // Represent [dynamic] as [null].
-      return graph.addConstantNull(constantSystem);
-    }
-
     // These variables are shared between invocations of the helper methods.
     HInstruction typeInfo;
     StringBuffer template = new StringBuffer();
     List<HInstruction> inputs = <HInstruction>[];
 
     /**
      * Helper to create an instruction that gets the value of a type variable.
      */
     void addTypeVariableReference(TypeVariableType type) {
       Element member = work.element;
@@ skipping 39 matching lines @@
      *   Var             #                       [getRuntimeType(this).Var]
      *   C<int, D<Var>>  'C<int, D<' + # + '>>'  [getRuntimeType(this).Var]
      */
     void buildTypeString(DartType type, {isInQuotes: false}) {
       if (type is TypeVariableType) {
         addTypeVariableReference(type);
         template.add(isInQuotes ? "' + # +'" : "#");
       } else if (type is InterfaceType) {
         bool isFirstVariable = true;
         InterfaceType interfaceType = type;
-        bool hasTypeArguments = !interfaceType.isRaw;
+        bool hasTypeArguments = !interfaceType.typeArguments.isEmpty;
         if (!isInQuotes) template.add("'");
         template.add(backend.namer.getName(type.element));
         if (hasTypeArguments) {
           template.add("<");
           for (DartType argument in interfaceType.typeArguments) {
             if (!isFirstVariable) {
               template.add(", ");
             } else {
               isFirstVariable = false;
             }
@@ skipping 16 matching lines @@
             new LiteralDartString('String'),
             inputs);
     add(result);
     return result;
   }
 
   void handleListConstructor(InterfaceType type,
                              Node currentNode,
                              HInstruction newObject) {
     if (!compiler.world.needsRti(type.element)) return;
-    if (type.isRaw) return;
     List<HInstruction> inputs = <HInstruction>[];
     type.typeArguments.forEach((DartType argument) {
       inputs.add(analyzeTypeArgument(argument, currentNode));
     });
     callSetRuntimeTypeInfo(type.element, inputs, newObject);
   }
 
   void callSetRuntimeTypeInfo(ClassElement element,
                               List<HInstruction> rtiInputs,
                               HInstruction newObject) {
@@ skipping 18 matching lines @@
       Element originalElement = elements[node];
       if (identical(originalElement.getEnclosingClass(), compiler.listClass)) {
         isListConstructor = true;
         if (node.arguments.isEmpty) {
           return HType.EXTENDABLE_ARRAY;
         } else {
           return HType.MUTABLE_ARRAY;
         }
       } else if (element.isGenerativeConstructor()) {
         ClassElement cls = element.getEnclosingClass();
-        return new HBoundedType.exact(cls.thisType);
+        return new HBoundedType.exact(cls.type);
       } else {
         return HType.UNKNOWN;
       }
     }
 
     Element constructor = elements[node];
     Selector selector = elements.getSelector(node);
     if (compiler.enqueuer.resolution.getCachedElements(constructor) == null) {
       compiler.internalError("Unresolved element: $constructor", node: node);
     }
@@ skipping 14 matching lines @@
       generateWrongArgumentCountError(node, constructor, node.arguments);
       return;
     }
 
     if (constructor.getEnclosingClass().isAbstract(compiler) &&
         constructor.isGenerativeConstructor()) {
       generateAbstractClassInstantiationError(node, type.name.slowToString());
       return;
     }
     if (compiler.world.needsRti(constructor.enclosingElement)) {
-      if (!type.isRaw) {
+      if (!type.typeArguments.isEmpty) {
         type.typeArguments.forEach((DartType argument) {
           inputs.add(analyzeTypeArgument(argument, node));
         });
       }
     }
 
     HType elementType = computeType(constructor);
     HInstruction newInstance = new HInvokeStatic(inputs, elementType);
     pushWithPosition(newInstance, node);
 
@@ skipping 1652 matching lines @@
           new HSubGraphBlockInformation(elseBranch.graph));
 
     HBasicBlock conditionStartBlock = conditionBranch.block;
     conditionStartBlock.setBlockFlow(info, joinBlock);
     SubGraph conditionGraph = conditionBranch.graph;
     HIf branch = conditionGraph.end.last;
     assert(branch is HIf);
     branch.blockInformation = conditionStartBlock.blockFlow;
   }
 }