Fix disassembly redirection from stdout into a file.

src/ostreams.cc

 // Copyright 2014 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.
 
 #include <algorithm>
 #include <cmath>
 
 #include "src/base/platform/platform.h"  // For isinf/isnan with MSVC
 #include "src/ostreams.h"
 
@@ skipping 145 matching lines @@
   return *this;
 }
 
 
 OFStream& OFStream::flush() {
   if (f_) fflush(f_);
   return *this;
 }
 
 
+OStream& operator<<(OStream& os, const AsReversiblyEscapedUC16& c) {
+  char buf[10];
+  const char* format = (0x20 <= c.value && c.value <= 0x7F) && (c.value != 0x52)
+                           ? "%c"
+                           : (c.value <= 0xff) ? "\\x%02x" : "\\u%04x";
+  snprintf(buf, sizeof(buf), format, c.value);
+  return os << buf;
+}
+
+
 OStream& operator<<(OStream& os, const AsUC16& c) {
   char buf[10];
   const char* format = (0x20 <= c.value && c.value <= 0x7F)
                            ? "%c"
                            : (c.value <= 0xff) ? "\\x%02x" : "\\u%04x";
   snprintf(buf, sizeof(buf), format, c.value);
   return os << buf;
 }
 } }  // namespace v8::internal