Allow escape sequences in Constructor/Prototype tokens in PreParserTraits::GetSymbol()

test/cctest/test-parsing.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3955 matching lines @@
 TEST(ClassStaticPrototypeErrors) {
   const char* context_data[][2] = {{"class C {", "}"},
                                    {"(class {", "});"},
                                    {NULL, NULL}};
 
   const char* class_body_data[] = {
     "static prototype() {}",
     "static get prototype() {}",
     "static set prototype(_) {}",
     "static *prototype() {}",
+    "static 'prototype'() {}",
+    "static *'prototype'() {}",
+    "static prot\\u006ftype() {}",
+    "static 'prot\\u006ftype'() {}",
+    "static get 'prot\\u006ftype'() {}",
+    "static set 'prot\\u006ftype'(_) {}",
+    "static *'prot\\u006ftype'() {}",
     NULL};
 
   static const ParserFlag always_flags[] = {
     kAllowClasses,
     kAllowHarmonyObjectLiterals
   };
   RunParserSyncTest(context_data, class_body_data, kError, NULL, 0,
                     always_flags, arraysize(always_flags));
 }
 
 
 TEST(ClassSpecialConstructorErrors) {
   const char* context_data[][2] = {{"class C {", "}"},
                                    {"(class {", "});"},
                                    {NULL, NULL}};
 
   const char* class_body_data[] = {
     "get constructor() {}",
     "get constructor(_) {}",
     "*constructor() {}",
+    "get 'constructor'() {}",
+    "*'constructor'() {}",
+    "get c\\u006fnstructor() {}",
+    "*c\\u006fnstructor() {}",
+    "get 'c\\u006fnstructor'() {}",
+    "get 'c\\u006fnstructor'(_) {}",
+    "*'c\\u006fnstructor'() {}",
     NULL};
 
   static const ParserFlag always_flags[] = {
     kAllowClasses,
     kAllowHarmonyObjectLiterals
   };
   RunParserSyncTest(context_data, class_body_data, kError, NULL, 0,
                     always_flags, arraysize(always_flags));
 }
 
@@ skipping 231 matching lines @@
       "for(const x = 4, y of [1,2,3]) {}",
       "for(const x = 1, y = 2 in []) {}",
       "for(const x,y in []) {}",
       "for(const x = 1, y = 2 of []) {}",
       "for(const x,y of []) {}",
       NULL};
   static const ParserFlag always_flags[] = {kAllowHarmonyScoping};
   RunParserSyncTest(context_data, data, kError, NULL, 0, always_flags,
                     arraysize(always_flags));
 }