[Interpreter] Avoid dereferencing handles on BytecodeGenerator for AST operations.

src/interpreter/bytecode-peephole-optimizer.cc

 // Copyright 2016 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/interpreter/bytecode-peephole-optimizer.h"
 
 #include "src/interpreter/constant-array-builder.h"
 #include "src/objects-inl.h"
 #include "src/objects.h"
 
@@ skipping 276 matching lines @@
   } else {
     DefaultAction(node);
   }
 }
 
 void BytecodePeepholeOptimizer::TransformToStarIfLoadingNameConstantAction(
     BytecodeNode* const node, const PeepholeActionAndData* action_data) {
   DCHECK_EQ(last()->bytecode(), Bytecode::kLdaConstant);
   DCHECK(!Bytecodes::IsJump(node->bytecode()));
 
+  // TODO(5203): Remove this temporary exception.
+  AllowHandleDereference allow_deref;
   if (GetConstantForIndexOperand(last(), 0)->IsName()) {
     node->replace_bytecode(Bytecode::kStar);
   }
   DefaultAction(node);
 }
 
 void BytecodePeepholeOptimizer::DefaultJumpAction(
     BytecodeNode* const node, const PeepholeActionAndData* action_data) {
   DCHECK(LastIsValid());
   DCHECK(Bytecodes::IsJump(node->bytecode()));
@@ skipping 48 matching lines @@
 #undef CASE
     default:
       UNREACHABLE();
       break;
   }
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8