Revert "Split TypedSelector into Selector and TypeMask."

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 'ssa.dart';
 import '../js_backend/js_backend.dart';
@@ skipping 288 matching lines @@
   String visitInvokeClosure(HInvokeClosure node)
       => visitInvokeDynamic(node, "closure");
 
   String visitInvokeDynamic(HInvokeDynamic invoke, String kind) {
     String receiver = temporaryId(invoke.receiver);
     String name = invoke.selector.name;
     String target = "($kind) $receiver.$name";
     int offset = HInvoke.ARGUMENTS_OFFSET;
     List arguments = invoke.inputs.sublist(offset);
     return visitGenericInvoke("Invoke", target, arguments) +
-        "(${invoke.mask})";
+        "(${invoke.selector.mask})";
   }
 
   String visitInvokeDynamicMethod(HInvokeDynamicMethod node)
       => visitInvokeDynamic(node, "method");
   String visitInvokeDynamicGetter(HInvokeDynamicGetter node)
       => visitInvokeDynamic(node, "get");
   String visitInvokeDynamicSetter(HInvokeDynamicSetter node)
       => visitInvokeDynamic(node, "set");
 
   String visitInvokeStatic(HInvokeStatic invoke) {
@@ skipping 203 matching lines @@
   }
 
   String visitAwait(HAwait node) {
     return "await ${temporaryId(node.inputs[0])}";
   }
 
   String visitYield(HYield node) {
     return "yield${node.hasStar ? "*" : ""} ${temporaryId(node.inputs[0])}";
   }
 }