[ESnext] Disallow using new with import()

src/parsing/parser-base.h

 // Copyright 2012 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.
 
 #ifndef V8_PARSING_PARSER_BASE_H
 #define V8_PARSING_PARSER_BASE_H
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/bailout-reason.h"
@@ skipping 3303 matching lines @@
 
   if (peek() == Token::NEW) {
     BindingPatternUnexpectedToken();
     ArrowFormalParametersUnexpectedToken();
     Consume(Token::NEW);
     int new_pos = position();
     ExpressionT result;
     if (peek() == Token::SUPER) {
       const bool is_new = true;
       result = ParseSuperExpression(is_new, CHECK_OK);
+    } else if (allow_harmony_dynamic_import() && peek() == Token::IMPORT) {
+      impl()->ReportMessageAt(scanner()->peek_location(),
+                              MessageTemplate::kImportCallNotNewExpression);
+      *ok = false;
+      return impl()->EmptyExpression();
     } else if (peek() == Token::PERIOD) {
       return ParseNewTargetExpression(CHECK_OK);
     } else {
       result = ParseMemberWithNewPrefixesExpression(is_async, CHECK_OK);
     }
     impl()->RewriteNonPattern(CHECK_OK);
     if (peek() == Token::LPAREN) {
       // NewExpression with arguments.
       Scanner::Location spread_pos;
       ExpressionListT args = ParseArguments(&spread_pos, CHECK_OK);
@@ skipping 2413 matching lines @@
     return;
   }
 }
 
 #undef CHECK_OK_VOID
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_BASE_H