Code object now prints its major_key when applicable.

src/objects.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #include "accessors.h"
 #include "allocation-site-scopes.h"
 #include "api.h"
 #include "arguments.h"
 #include "bootstrapper.h"
 #include "codegen.h"
+#include "code-stubs.h"
 #include "cpu-profiler.h"
 #include "debug.h"
 #include "deoptimizer.h"
 #include "date.h"
 #include "elements.h"
 #include "execution.h"
 #include "full-codegen.h"
 #include "hydrogen.h"
 #include "isolate-inl.h"
 #include "log.h"
@@ skipping 11082 matching lines @@
   if (name != NULL) {
     PrintF(out, "%s\n", name);
   } else {
     PrintF(out, "%d\n", extra);
   }
 }
 
 
 void Code::Disassemble(const char* name, FILE* out) {
   PrintF(out, "kind = %s\n", Kind2String(kind()));
+  if (has_major_key()) {
+    PrintF(out, "major_key = %s\n",
+           CodeStub::MajorName(CodeStub::GetMajorKey(this), true));
+  }
   if (is_inline_cache_stub()) {
     PrintF(out, "ic_state = %s\n", ICState2String(ic_state()));
     PrintExtraICState(out, kind(), needs_extended_extra_ic_state(kind()) ?
         extended_extra_ic_state() : extra_ic_state());
     if (ic_state() == MONOMORPHIC) {
       PrintF(out, "type = %s\n", StubType2String(type()));
     }
     if (is_call_stub() || is_keyed_call_stub()) {
       PrintF(out, "argc = %d\n", arguments_count());
     }
@@ skipping 5520 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal