Rename kAsciiStringTag to kOneByteStringTag

src/x64/codegen-x64.cc

 // Copyright 2012 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 533 matching lines @@
   __ movzxwl(result, Operand(result, index, times_2, 0));
   __ jmp(&done, Label::kNear);
   __ bind(&ascii_external);
   // Ascii string.
   __ movzxbl(result, Operand(result, index, times_1, 0));
   __ jmp(&done, Label::kNear);
 
   // Dispatch on the encoding: ASCII or two-byte.
   Label ascii;
   __ bind(&seq_string);
-  STATIC_ASSERT((kStringEncodingMask & kAsciiStringTag) != 0);
+  STATIC_ASSERT((kStringEncodingMask & kOneByteStringTag) != 0);
   STATIC_ASSERT((kStringEncodingMask & kTwoByteStringTag) == 0);
   __ testb(result, Immediate(kStringEncodingMask));
   __ j(not_zero, &ascii, Label::kNear);
 
   // Two-byte string.
   // Load the two-byte character code into the result register.
   STATIC_ASSERT(kSmiTag == 0 && kSmiTagSize == 1);
   __ movzxwl(result, FieldOperand(string,
                                   index,
                                   times_2,
                                   SeqTwoByteString::kHeaderSize));
   __ jmp(&done, Label::kNear);
 
   // ASCII string.
   // Load the byte into the result register.
   __ bind(&ascii);
   __ movzxbl(result, FieldOperand(string,
                                   index,
                                   times_1,
                                   SeqAsciiString::kHeaderSize));
   __ bind(&done);
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64