[compiler] Avoid spamming --trace-opt with lookup failures.

src/objects.cc

 // Copyright 2015 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/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <sstream>
 
@@ skipping 13583 matching lines @@
       WeakCell* cell = WeakCell::cast(code_map->get(entry + kCachedCodeOffset));
       WeakCell* literals_cell =
           WeakCell::cast(code_map->get(entry + kLiteralsOffset));
 
       result = {cell->cleared() ? nullptr : Code::cast(cell->value()),
                 literals_cell->cleared()
                     ? nullptr
                     : LiteralsArray::cast(literals_cell->value())};
     }
   }
-  if (FLAG_trace_opt && !OptimizedCodeMapIsCleared() &&
-      result.code == nullptr) {
-    PrintF("[didn't find optimized code in optimized code map for ");
-    ShortPrint();
-    PrintF("]\n");
-  }
   return result;
 }
 
 
 #define DECLARE_TAG(ignore1, name, ignore2) name,
 const char* const VisitorSynchronization::kTags[
     VisitorSynchronization::kNumberOfSyncTags] = {
   VISITOR_SYNCHRONIZATION_TAGS_LIST(DECLARE_TAG)
 };
 #undef DECLARE_TAG
@@ skipping 5786 matching lines @@
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 
 }  // namespace internal
 }  // namespace v8