Allow inlining of named function expressions containing ThisFunction reference.

src/x64/lithium-x64.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 1258 matching lines @@
  public:
   explicit LPushArgument(LOperand* value) {
     inputs_[0] = value;
   }
 
   DECLARE_CONCRETE_INSTRUCTION(PushArgument, "push-argument")
 };
 
 
 class LThisFunction: public LTemplateInstruction<1, 0, 0> {
+ public:
   DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function")
+  DECLARE_HYDROGEN_ACCESSOR(ThisFunction)
 };
 
 
 class LContext: public LTemplateInstruction<1, 0, 0> {
  public:
   DECLARE_CONCRETE_INSTRUCTION(Context, "context")
 };
 
 
 class LOuterContext: public LTemplateInstruction<1, 1, 0> {
@@ skipping 885 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::int
 
 #endif  // V8_X64_LITHIUM_X64_H_