Canonicalize raw type

sdk/lib/_internal/compiler/implementation/ssa/builder.dart

Index: sdk/lib/_internal/compiler/implementation/ssa/builder.dart
diff --git a/sdk/lib/_internal/compiler/implementation/ssa/builder.dart b/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
index a36039d706331b88c37b34614cadfc3cd8200f2f..4ce714fb25d6605f3d461b177cf7744d311aa054 100644
--- a/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
+++ b/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
@@ -3060,6 +3060,11 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
   }
 
   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();
@@ -3119,7 +3124,7 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
       } else if (type is InterfaceType) {
         bool isFirstVariable = true;
         InterfaceType interfaceType = type;
-        bool hasTypeArguments = !interfaceType.typeArguments.isEmpty;
+        bool hasTypeArguments = !interfaceType.isRaw;
         if (!isInQuotes) template.add("'");
         template.add(backend.namer.getName(type.element));
         if (hasTypeArguments) {
@@ -3156,6 +3161,7 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
                              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));
@@ -3194,7 +3200,7 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
         }
       } else if (element.isGenerativeConstructor()) {
         ClassElement cls = element.getEnclosingClass();
-        return new HBoundedType.exact(cls.type);
+        return new HBoundedType.exact(cls.thisType);
       } else {
         return HType.UNKNOWN;
       }
@@ -3229,7 +3235,7 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
       return;
     }
     if (compiler.world.needsRti(constructor.enclosingElement)) {
-      if (!type.typeArguments.isEmpty) {
+      if (!type.isRaw) {
         type.typeArguments.forEach((DartType argument) {
           inputs.add(analyzeTypeArgument(argument, node));
         });