Print compare-state with --print-code-stubs.

src/objects.cc

 // Copyright 2012 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 8357 matching lines @@
   PrintF(out, "kind = %s\n", Kind2String(kind()));
   if (is_inline_cache_stub()) {
     PrintF(out, "ic_state = %s\n", ICState2String(ic_state()));
     PrintExtraICState(out, kind(), extra_ic_state());
     if (ic_state() == MONOMORPHIC) {
       PrintF(out, "type = %s\n", PropertyType2String(type()));
     }
     if (is_call_stub() || is_keyed_call_stub()) {
       PrintF(out, "argc = %d\n", arguments_count());
     }
+    if (is_compare_ic_stub()) {
+      CompareIC::State state = CompareIC::ComputeState(this);
+      PrintF(out, "compare_state = %s\n", CompareIC::GetStateName(state));
+    }
   }
   if ((name != NULL) && (name[0] != '\0')) {
     PrintF(out, "name = %s\n", name);
   }
   if (kind() == OPTIMIZED_FUNCTION) {
     PrintF(out, "stack_slots = %d\n", stack_slots());
   }
 
   PrintF(out, "Instructions (size = %d)\n", instruction_size());
   Disassembler::Decode(out, this);
@@ skipping 4576 matching lines @@
   set_year(Smi::FromInt(year), SKIP_WRITE_BARRIER);
   set_month(Smi::FromInt(month), SKIP_WRITE_BARRIER);
   set_day(Smi::FromInt(day), SKIP_WRITE_BARRIER);
   set_weekday(Smi::FromInt(weekday), SKIP_WRITE_BARRIER);
   set_hour(Smi::FromInt(hour), SKIP_WRITE_BARRIER);
   set_min(Smi::FromInt(min), SKIP_WRITE_BARRIER);
   set_sec(Smi::FromInt(sec), SKIP_WRITE_BARRIER);
 }
 
 } }  // namespace v8::internal