Revert of [regexp] Remove remainder of native RegExpExecStub

src/regexp/x64/regexp-macro-assembler-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/regexp/x64/regexp-macro-assembler-x64.h"
 
 #include "src/factory.h"
 #include "src/log.h"
@@ skipping 67 matching lines @@
  * character of the string).  The remaining registers starts out uninitialized.
  *
  * The first seven values must be provided by the calling code by
  * calling the code's entry address cast to a function pointer with the
  * following signature:
  * int (*match)(String* input_string,
  *              int start_index,
  *              Address start,
  *              Address end,
  *              int* capture_output_array,
- *              int num_capture_registers,
+ *              bool at_start,
  *              byte* stack_area_base,
- *              bool direct_call = false,
- *              Isolate* isolate);
+ *              bool direct_call)
  */
 
 #define __ ACCESS_MASM((&masm_))
 
 RegExpMacroAssemblerX64::RegExpMacroAssemblerX64(Isolate* isolate, Zone* zone,
                                                  Mode mode,
                                                  int registers_to_save)
     : NativeRegExpMacroAssembler(isolate, zone),
       masm_(isolate, NULL, kRegExpCodeSize, CodeObjectRequired::kYes),
       no_root_array_scope_(&masm_),
@@ skipping 1294 matching lines @@
 }
 
 #undef __
 
 #endif  // V8_INTERPRETED_REGEXP
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64