[interpreter] Deprecate DeleteLookupSlot bytecode.

src/compiler/bytecode-graph-builder.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/compiler/bytecode-graph-builder.h"
 
 #include "src/compiler/bytecode-branch-analysis.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/operator-properties.h"
 #include "src/interpreter/bytecodes.h"
@@ skipping 1287 matching lines @@
 }
 
 void BytecodeGraphBuilder::VisitDeletePropertyStrict() {
   BuildDelete(LanguageMode::STRICT);
 }
 
 void BytecodeGraphBuilder::VisitDeletePropertySloppy() {
   BuildDelete(LanguageMode::SLOPPY);
 }
 
-void BytecodeGraphBuilder::VisitDeleteLookupSlot() {
-  FrameStateBeforeAndAfter states(this);
-  Node* name = environment()->LookupAccumulator();
-  const Operator* op = javascript()->CallRuntime(Runtime::kDeleteLookupSlot);
-  Node* result = NewNode(op, name);
-  environment()->BindAccumulator(result, &states);
-}
-
 void BytecodeGraphBuilder::BuildCompareOp(const Operator* js_op) {
   FrameStateBeforeAndAfter states(this);
   Node* left =
       environment()->LookupRegister(bytecode_iterator().GetRegisterOperand(0));
   Node* right = environment()->LookupAccumulator();
   Node* node = NewNode(js_op, left, right);
   environment()->BindAccumulator(node, &states);
 }
 
 void BytecodeGraphBuilder::VisitTestEqual() {
@@ skipping 468 matching lines @@
     // Phi does not exist yet, introduce one.
     value = NewPhi(inputs, value, control);
     value->ReplaceInput(inputs - 1, other);
   }
   return value;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8