Centralize and standardize logic for ExpressionClassifier accumulation

src/parsing/preparser.cc

 // Copyright 2011 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 <cmath>
 
 #include "src/allocation.h"
 #include "src/base/logging.h"
 #include "src/conversions-inl.h"
 #include "src/conversions.h"
@@ skipping 1150 matching lines @@
   // TODO(marja): Make PreParser use scope names too.
   // this->scope()->SetScopeName(name);
 
   bool has_extends = Check(Token::EXTENDS);
   if (has_extends) {
     ExpressionClassifier extends_classifier(this);
     ParseLeftHandSideExpression(&extends_classifier, CHECK_OK);
     CheckNoTailCallExpressions(&extends_classifier, CHECK_OK);
     ValidateExpression(&extends_classifier, CHECK_OK);
     if (classifier != nullptr) {
-      classifier->Accumulate(&extends_classifier,
-                             ExpressionClassifier::ExpressionProductions);
+      classifier->AccumulateFormalParameterContainmentErrors(
+          &extends_classifier);
     }
   }
 
   ClassLiteralChecker checker(this);
   bool has_seen_constructor = false;
 
   Expect(Token::LBRACE, CHECK_OK);
   while (peek() != Token::RBRACE) {
     if (Check(Token::SEMICOLON)) continue;
     const bool in_class = true;
     bool is_computed_name = false;  // Classes do not care about computed
                                     // property names here.
     Identifier name;
     ExpressionClassifier property_classifier(this);
     ParsePropertyDefinition(
         &checker, in_class, has_extends, MethodKind::kNormal, &is_computed_name,
         &has_seen_constructor, &property_classifier, &name, CHECK_OK);
     ValidateExpression(&property_classifier, CHECK_OK);
     if (classifier != nullptr) {
-      classifier->Accumulate(&property_classifier,
-                             ExpressionClassifier::ExpressionProductions);
+      classifier->AccumulateFormalParameterContainmentErrors(
+          &property_classifier);
     }
   }
 
   Expect(Token::RBRACE, CHECK_OK);
 
   return Expression::Default();
 }
 
 
 PreParser::Expression PreParser::ParseV8Intrinsic(bool* ok) {
@@ skipping 39 matching lines @@
 
   body->Add(PreParserStatement::ExpressionStatement(return_value), zone());
 }
 
 #undef CHECK_OK
 #undef CHECK_OK_CUSTOM
 
 
 }  // namespace internal
 }  // namespace v8