Revert of [compiler] Drop the CompareNilIC.

src/log.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/log.h"
 
 #include <cstdarg>
 #include <sstream>
 
 #include "src/bailout-reason.h"
@@ skipping 1595 matching lines @@
 void Logger::LogCodeObject(Object* object) {
   Code* code_object = Code::cast(object);
   LogEventsAndTags tag = Logger::STUB_TAG;
   const char* description = "Unknown code from the snapshot";
   switch (code_object->kind()) {
     case Code::FUNCTION:
     case Code::OPTIMIZED_FUNCTION:
       return;  // We log this later using LogCompiledFunctions.
     case Code::BINARY_OP_IC:
     case Code::COMPARE_IC:  // fall through
+    case Code::COMPARE_NIL_IC:   // fall through
     case Code::TO_BOOLEAN_IC:  // fall through
     case Code::STUB:
       description = CodeStub::MajorName(CodeStub::GetMajorKey(code_object));
       if (description == NULL)
         description = "A stub from the snapshot";
       tag = Logger::STUB_TAG;
       break;
     case Code::REGEXP:
       description = "Regular expression code";
       tag = Logger::REG_EXP_TAG;
@@ skipping 288 matching lines @@
     removeCodeEventListener(jit_logger_);
     delete jit_logger_;
     jit_logger_ = NULL;
   }
 
   return log_->Close();
 }
 
 }  // namespace internal
 }  // namespace v8