Optimize AOT's switchable calls for the monomorphic case.

runtime/vm/unit_test.cc

 // Copyright (c) 2012, 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 "vm/unit_test.h"
 
 #include <stdio.h>
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 385 matching lines @@
                     true, false, false, false, false, cls,
                     TokenPosition::kMinSource));
   code_ = Code::FinalizeCode(function, assembler_);
   code_.set_owner(function);
   code_.set_exception_handlers(Object::empty_exception_handlers());
 #ifndef PRODUCT
   if (FLAG_disassemble) {
     OS::Print("Code for test '%s' {\n", name_);
     const Instructions& instructions =
         Instructions::Handle(code_.instructions());
-    uword start = instructions.EntryPoint();
+    uword start = instructions.PayloadStart();
     Disassembler::Disassemble(start, start + assembler_->CodeSize());
     OS::Print("}\n");
   }
 #endif  // !PRODUCT
 }
 
 
 CodeGenTest::CodeGenTest(const char* name)
   : function_(Function::ZoneHandle()),
     node_sequence_(new SequenceNode(TokenPosition::kMinSource,
@@ skipping 74 matching lines @@
   }
   // Copy the remainder of in to out.
   while (*in != '\0') {
     *out++ = *in++;
   }
   *out = '\0';
 }
 
 
 }  // namespace dart