Port r9643 to 3.7 branch.

src/compiler.h

 // Copyright 2011 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 65 matching lines @@
   void MarkAsStrictMode() {
     flags_ |= IsStrictMode::encode(true);
   }
   StrictModeFlag StrictMode() {
     return is_strict_mode() ? kStrictMode : kNonStrictMode;
   }
   void MarkAsInLoop() {
     ASSERT(is_lazy());
     flags_ |= IsInLoop::encode(true);
   }
-  void MarkAsAllowingNativesSyntax() {
-    flags_ |= IsNativesSyntaxAllowed::encode(true);
-  }
-  bool allows_natives_syntax() const {
-    return IsNativesSyntaxAllowed::decode(flags_);
-  }
   void MarkAsNative() {
     flags_ |= IsNative::encode(true);
   }
   bool is_native() const {
     return IsNative::decode(flags_);
   }
   void SetFunction(FunctionLiteral* literal) {
     ASSERT(function_ == NULL);
     function_ = literal;
   }
@@ skipping 90 matching lines @@
   //
   // Compilation is either eager or lazy.
   class IsLazy:   public BitField<bool, 0, 1> {};
   // Flags that can be set for eager compilation.
   class IsEval:   public BitField<bool, 1, 1> {};
   class IsGlobal: public BitField<bool, 2, 1> {};
   // Flags that can be set for lazy compilation.
   class IsInLoop: public BitField<bool, 3, 1> {};
   // Strict mode - used in eager compilation.
   class IsStrictMode: public BitField<bool, 4, 1> {};
-  // Native syntax (%-stuff) allowed?
-  class IsNativesSyntaxAllowed: public BitField<bool, 5, 1> {};
   // Is this a function from our natives.
   class IsNative: public BitField<bool, 6, 1> {};
 
 
   unsigned flags_;
 
   // Fields filled in by the compilation pipeline.
   // AST filled in by the parser.
   FunctionLiteral* function_;
   // The scope of the function literal as a convenience.  Set to indicate
@@ skipping 84 matching lines @@
 
   static void RecordFunctionCompilation(Logger::LogEventsAndTags tag,
                                         CompilationInfo* info,
                                         Handle<SharedFunctionInfo> shared);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_COMPILER_H_