Revert of Update re2

third_party/re2/util/valgrind.h

 /* -*- c -*-
    ----------------------------------------------------------------
 
    Notice that the following BSD-style license applies to this one
    file (valgrind.h) only.  The rest of Valgrind is licensed under the
    terms of the GNU General Public License, version 2, unless
    otherwise indicated.  See the COPYING file in the source
    distribution for details.
 
    ----------------------------------------------------------------
@@ skipping 4046 matching lines @@
          : /*out*/   "=r" (_res)                                  \
          : /*in*/    "r" (&_argvec[2])                            \
          : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
       );                                                          \
       lval = (__typeof__(lval)) _res;                             \
    } while (0)
 
 #endif /* PLAT_ppc64_aix5 */
 
 
+#ifndef WIN32
 /* ------------------------------------------------------------------ */
 /* ARCHITECTURE INDEPENDENT MACROS for CLIENT REQUESTS.               */
 /*                                                                    */
 /* ------------------------------------------------------------------ */
 
 /* Some request codes.  There are many more of these, but most are not
    exposed to end-user view.  These are the public ones, all of the
    form 0x1000 + small_number.
 
    Core ones are in the range 0x00000000--0x0000ffff.  The non-public
@@ skipping 86 matching lines @@
 /* Discard translation of code in the range [_qzz_addr .. _qzz_addr +
    _qzz_len - 1].  Useful if you are debugging a JITter or some such,
    since it provides a way to make sure valgrind will retranslate the
    invalidated area.  Returns no value. */
 #define VALGRIND_DISCARD_TRANSLATIONS(_qzz_addr,_qzz_len)         \
    {unsigned int _qzz_res;                                        \
     VALGRIND_DO_CLIENT_REQUEST(_qzz_res, 0,                       \
                                VG_USERREQ__DISCARD_TRANSLATIONS,  \
                                _qzz_addr, _qzz_len, 0, 0, 0);     \
    }
-
+#endif
 
 /* These requests are for getting Valgrind itself to print something.
    Possibly with a backtrace.  This is a really ugly hack.  The return value
    is the number of characters printed, excluding the "**<pid>** " part at the
    start and the backtrace (if present). */
 
 #if defined(NVALGRIND)
 
 #  define VALGRIND_PRINTF(...)
 #  define VALGRIND_PRINTF_BACKTRACE(...)
@@ skipping 324 matching lines @@
 
 #undef PLAT_x86_linux
 #undef PLAT_amd64_linux
 #undef PLAT_ppc32_linux
 #undef PLAT_ppc64_linux
 #undef PLAT_arm_linux
 #undef PLAT_ppc32_aix5
 #undef PLAT_ppc64_aix5
 
 #endif   /* __VALGRIND_H */