[ic] [stubs] Remove InlineCacheState field from the code flags.

src/log.cc

Index: src/log.cc
diff --git a/src/log.cc b/src/log.cc
index e334fca4d790208d8c0ea3fc6fd1991b0786c97e..33bdd88ef53b4b621ff5ea509eb7daef488ae393 100644
--- a/src/log.cc
+++ b/src/log.cc
@@ -1557,6 +1557,7 @@ void Logger::LogCodeObject(Object* object) {
       description = "Regular expression code";
       tag = Logger::REG_EXP_TAG;
       break;
+    case AbstractCode::DEBUG_STUB:  // fall through
     case AbstractCode::BUILTIN:
       description =
           isolate_->builtins()->name(code_object->GetCode()->builtin_index());