Orthogonalize the byte codes used for the snapshot so that...

src/x64/assembler-x64.cc

 // 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 2782 matching lines @@
     RecordRelocInfo(RelocInfo::POSITION, current_position_);
     written_position_ = current_position_;
   }
 }
 
 
 const int RelocInfo::kApplyMask = RelocInfo::kCodeTargetMask |
                                   1 << RelocInfo::INTERNAL_REFERENCE |
                                   1 << RelocInfo::JS_RETURN;
 
+
+bool RelocInfo::IsCodedSpecially() {
+  // The deserializer needs to know whether a pointer is specially coded.  Being
+  // specially coded on x64 means that it is a relative 32 bit address, as used
+  // by branch instructions.
+  return (1 << rmode_) & kApplyMask;
+}
+
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64