remove DeletedField from PropertyDetails

src/hydrogen.cc

 // Copyright 2013 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/hydrogen.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 1733 matching lines @@
 
     IfBuilder found_key_match(this, &found_key_match_continuation);
     found_key_match.Then();
     // Key at current probe matches. Relevant bits in the |details| field must
     // be zero, otherwise the dictionary element requires special handling.
     HValue* details_index =
         AddUncasted<HAdd>(base_index, Add<HConstant>(start_offset + 2));
     details_index->ClearFlag(HValue::kCanOverflow);
     HValue* details =
         Add<HLoadKeyed>(elements, details_index, nullptr, FAST_ELEMENTS);
-    int details_mask = PropertyDetails::TypeField::kMask |
-                       PropertyDetails::DeletedField::kMask;
+    int details_mask = PropertyDetails::TypeField::kMask;
     details = AddUncasted<HBitwise>(Token::BIT_AND, details,
                                     Add<HConstant>(details_mask));
     IfBuilder details_compare(this);
     details_compare.If<HCompareNumericAndBranch>(
         details, graph()->GetConstant0(), Token::EQ);
     details_compare.Then();
     HValue* result_index =
         AddUncasted<HAdd>(base_index, Add<HConstant>(start_offset + 1));
     result_index->ClearFlag(HValue::kCanOverflow);
     Push(Add<HLoadKeyed>(elements, result_index, nullptr, FAST_ELEMENTS));
@@ skipping 11614 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal