Revert "VM: New calling convention for generated code."

runtime/vm/disassembler_ia32.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/disassembler.h"
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 #include "platform/utils.h"
 #include "vm/allocation.h"
@@ skipping 455 matching lines @@
 static const char* ObjectToCStringNoGC(const Object& obj) {
   if (obj.IsSmi() ||
       obj.IsMint() ||
       obj.IsDouble() ||
       obj.IsString() ||
       obj.IsNull() ||
       obj.IsBool() ||
       obj.IsClass() ||
       obj.IsFunction() ||
       obj.IsICData() ||
-      obj.IsField() ||
-      obj.IsCode()) {
+      obj.IsField()) {
     return obj.ToCString();
   }
 
   const Class& clazz = Class::Handle(obj.clazz());
   const char* full_class_name = clazz.ToCString();
   return OS::SCreate(Thread::Current()->zone(),
       "instance of %s", full_class_name);
 }
 
 
@@ skipping 1379 matching lines @@
   }
   hex_buffer[hex_index] = '\0';
   if (out_instr_len) {
     *out_instr_len = instruction_length;
   }
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32