A64: Synchronize with r18764.

src/a64/macro-assembler-a64.h

 // Copyright 2013 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 1432 matching lines @@
 
   // Check to see if number can be stored as a double in FastDoubleElements.
   // If it can, store it at the index specified by key_reg in the array,
   // otherwise jump to fail.
   void StoreNumberToDoubleElements(Register value_reg,
                                    Register key_reg,
                                    Register elements_reg,
                                    Register scratch1,
                                    FPRegister fpscratch1,
                                    FPRegister fpscratch2,
-                                   Label* fail);
+                                   Label* fail,
+                                   int elements_offset = 0);
 
   // Picks out an array index from the hash field.
   // Register use:
   //   hash - holds the index's hash. Clobbered.
   //   index - holds the overwritten index on exit.
   void IndexFromHash(Register hash, Register index);
 
   // ---------------------------------------------------------------------------
   // Inline caching support.
 
@@ skipping 720 matching lines @@
 #error "Unsupported option"
 #define CODE_COVERAGE_STRINGIFY(x) #x
 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 #endif  // V8_A64_MACRO_ASSEMBLER_A64_H_