Record statement positions for the debugger in the fast code generator.

src/x64/codegen-x64.h

 // Copyright 2009 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 294 matching lines @@
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
   static bool ShouldGenerateLog(Expression* type);
 #endif
 
   static void SetFunctionInfo(Handle<JSFunction> fun,
                               FunctionLiteral* lit,
                               bool is_toplevel,
                               Handle<Script> script);
 
+  static void RecordPositions(MacroAssembler* masm, int pos);
+
   // Accessors
   MacroAssembler* masm() { return masm_; }
 
   VirtualFrame* frame() const { return frame_; }
 
   bool has_valid_frame() const { return frame_ != NULL; }
 
   // Set the virtual frame to be new_frame, with non-frame register
   // reference counts given by non_frame_registers.  The non-frame
   // register reference counts of the old frame are returned in
@@ skipping 356 matching lines @@
         | FlagBits::encode(flags_)
         | SSE3Bits::encode(use_sse3_);
   }
   void Generate(MacroAssembler* masm);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_CODEGEN_X64_H_