Add SSA instructions for reified type information

pkg/compiler/lib/src/ssa/ssa_tracer.dart

 // Copyright (c) 2013, 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.
 
 library ssa.tracer;
 
 import 'dart:async' show EventSink;
 
 import '../compiler.dart' show Compiler;
 import '../diagnostics/invariant.dart' show DEBUG_MODE;
@@ skipping 488 matching lines @@
     if (node.witness != null) {
       result += " witnessed by ${temporaryId(node.witness)}";
     }
     return result;
   }
 
   String visitRangeConversion(HRangeConversion node) {
     return "RangeConversion: ${node.checkedInput}";
   }
 
+  String visitTypeInfoReadRaw(HTypeInfoReadRaw node) {
+    return "TypeInfoReadRaw";
+  }
+
+  String visitTypeInfoReadVariable(HTypeInfoReadVariable node) {
+    return "TypeInfoReadVariable ${node.variable}";
+  }
+
+  String visitTypeInfoExpression(HTypeInfoExpression node) {
+    return "TypeInfoExpression ${node.kindAsString} ${node.dartType}";
+  }
+
   String visitReadTypeVariable(HReadTypeVariable node) {
     return "ReadTypeVariable: ${node.dartType} ${node.hasReceiver}";
   }
 
   String visitFunctionType(HFunctionType node) {
     return "FunctionType: ${node.dartType}";
   }
 
   String visitVoidType(HVoidType node) {
     return "VoidType";
   }
 
   String visitInterfaceType(HInterfaceType node) {
     return "InterfaceType: ${node.dartType}";
   }
 
   String visitDynamicType(HDynamicType node) {
     return "DynamicType";
   }
 
   String visitAwait(HAwait node) {
     return "Await: ${temporaryId(node.inputs[0])}";
   }
 
   String visitYield(HYield node) {
     return "Yield${node.hasStar ? "*" : ""}: ${temporaryId(node.inputs[0])}";
   }
 }