Resolve typedefs.

lib/compiler/implementation/ssa/ssa.dart

Index: lib/compiler/implementation/ssa/ssa.dart
diff --git a/lib/compiler/implementation/ssa/ssa.dart b/lib/compiler/implementation/ssa/ssa.dart
index d8e0b6bedc651ce2e0cfa76bdcbe09f7ab3c51fb..dbcf4918b84e5105ec09cae43b4b56e65ee2187c 100644
--- a/lib/compiler/implementation/ssa/ssa.dart
+++ b/lib/compiler/implementation/ssa/ssa.dart
@@ -32,22 +32,25 @@ class RuntimeTypeInformation {
   String asJsString(InterfaceType type) {
     ClassElement element = type.element;
     StringBuffer buffer = new StringBuffer();
-    Link<Type> arguments = type.arguments;
-    int index = 0;
-    element.typeParameters.forEach((name, _) {
-      buffer.add("${name.slowToString()}: '${arguments.head}'");
-      if (++index < element.typeParameters.length) {
+    Link<Type> arguments = type.typeArguments;
+    Link<TypeVariableType> typeVariables = element.typeVariables;
+    while (!typeVariables.isEmpty()) {
+      TypeVariableType typeVariable = typeVariables.head;
+      buffer.add("${typeVariable}: '${arguments.head}'");
+
+      typeVariables = typeVariables.tail;
+      if (!typeVariables.isEmpty()) {
         buffer.add(', ');
       }
-    });
+    }
     return "{$buffer}";
   }
 
   bool hasTypeArguments(Type type) {
     if (type is InterfaceType) {
       InterfaceType interfaceType = type;
-      return (!interfaceType.arguments.isEmpty() &&
-              interfaceType.arguments.tail.isEmpty());
+      return (!interfaceType.typeArguments.isEmpty() &&
+              interfaceType.typeArguments.tail.isEmpty());
     }
     return false;
   }