Disallow 'await' in object literal shorthand position

src/parsing/token.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_TOKEN_H_
 #define V8_PARSING_TOKEN_H_
 
 #include "src/base/logging.h"
 #include "src/globals.h"
 
@@ skipping 182 matching lines @@
     DCHECK(tok < NUM_TOKENS);  // tok is unsigned
     return name_[tok];
   }
 
   // Predicates
   static bool IsKeyword(Value tok) {
     return token_type[tok] == 'K';
   }
 
   static bool IsIdentifier(Value tok, LanguageMode language_mode,
-                           bool is_generator, bool is_module) {
+                           bool is_generator, bool disallow_await) {
     switch (tok) {
       case IDENTIFIER:
       case ASYNC:
         return true;
       case ESCAPED_STRICT_RESERVED_WORD:
       case FUTURE_STRICT_RESERVED_WORD:
       case LET:
       case STATIC:
         return is_sloppy(language_mode);
       case YIELD:
         return !is_generator && is_sloppy(language_mode);
       case AWAIT:
-        return !is_module;
+        return !disallow_await;
       default:
         return false;
     }
     UNREACHABLE();
     return false;
   }
 
   static bool IsAssignmentOp(Value tok) {
     return INIT <= tok && tok <= ASSIGN_EXP;
   }
@@ skipping 116 matching lines @@
   static const char* const string_[NUM_TOKENS];
   static const uint8_t string_length_[NUM_TOKENS];
   static const int8_t precedence_[NUM_TOKENS];
   static const char token_type[NUM_TOKENS];
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_TOKEN_H_