[ignition] Avoid unnecessary ToName calls in VisitClassLiteralProperties

src/interpreter/bytecode-generator.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/interpreter/bytecode-generator.h"
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/builtins/builtins-constructor.h"
 #include "src/code-stubs.h"
@@ skipping 1452 matching lines @@
   for (int i = 0; i < expr->properties()->length(); i++) {
     ClassLiteral::Property* property = expr->properties()->at(i);
 
     // Set-up receiver.
     Register new_receiver = property->is_static() ? constructor : prototype;
     if (new_receiver != old_receiver) {
       builder()->MoveRegister(new_receiver, receiver);
       old_receiver = new_receiver;
     }
 
-    VisitForAccumulatorValue(property->key());
-    builder()->ConvertAccumulatorToName(key);
+    if (property->key()->IsStringLiteral()) {
+      VisitForRegisterValue(property->key(), key);
+    } else {
+      VisitForAccumulatorValue(property->key());
+      builder()->ConvertAccumulatorToName(key);
+    }
 
     if (property->is_static() && property->is_computed_name()) {
       // The static prototype property is read only. We handle the non computed
       // property name case in the parser. Since this is the only case where we
       // need to check for an own read only property we special case this so we
       // do not need to do this for every property.
       BytecodeLabel done;
       builder()
           ->LoadLiteral(prototype_string())
           .CompareOperation(Token::Value::EQ_STRICT, key)
@@ skipping 1822 matching lines @@
 }
 
 Runtime::FunctionId BytecodeGenerator::StoreKeyedToSuperRuntimeId() {
   return is_strict(language_mode()) ? Runtime::kStoreKeyedToSuper_Strict
                                     : Runtime::kStoreKeyedToSuper_Sloppy;
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8