Optimize AOT's switchable calls for the monomorphic case.

runtime/vm/profiler_test.cc

 // 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.
 
 #include "platform/assert.h"
 
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/globals.h"
 #include "vm/profiler.h"
@@ skipping 2375 matching lines @@
 }
 
 
 static uword FindPCForTokenPosition(const Code& code,
                                     const CodeSourceMap& code_source_map,
                                     TokenPosition tp) {
   CodeSourceMap::Iterator it(code_source_map);
 
   while (it.MoveNext()) {
     if (it.TokenPos() == tp) {
-      return it.PcOffset() + code.EntryPoint();
+      return it.PcOffset() + code.PayloadStart();
     }
   }
 
   return 0;
 }
 
 
 TEST_CASE(Profiler_GetSourceReport) {
   const char* kScript =
       "doWork(i) => i * i;\n"
@@ skipping 147 matching lines @@
   EXPECT_SUBSTRING("\"positions\":[\"TempMove\",39]", js.ToCString());
   // Verify exclusive ticks in main.
   EXPECT_SUBSTRING("\"exclusiveTicks\":[1,0]", js.ToCString());
   // Verify inclusive ticks in main.
   EXPECT_SUBSTRING("\"inclusiveTicks\":[1,2]", js.ToCString());
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart