Fix compilation errors on some compilers

test/cctest/test-strings.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 
 // Check that we can traverse very deep stacks of ConsStrings using
 // StringInputBuffer.  Check that Get(int) works on very deep stacks
 // of ConsStrings.  These operations may not be very fast, but they
 // should be possible without getting errors due to too deep recursion.
 
 #include <stdlib.h>
 
 #include "v8.h"
@@ skipping 379 matching lines @@
   // Add the arrays with the short external strings in the global object.
   v8::Handle<v8::Object> global = env->Global();
   global->Set(v8_str("external_ascii"), ascii_external_strings);
   global->Set(v8_str("external_non_ascii"), non_ascii_external_strings);
   global->Set(v8_str("max_length"), v8::Integer::New(kMaxLength));
 
   // Add short external ascii and non-ascii strings checking the result.
   static const char* source =
     "function test() {"
     "  var ascii_chars = 'aaaaaaaaaaaaaaaaaaaa';"
-    "  var non_ascii_chars = '\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234\u1234';"  //NOLINT
+    "  var non_ascii_chars = '\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234\\u1234';"  //NOLINT
     "  if (ascii_chars.length != max_length) return 1;"
     "  if (non_ascii_chars.length != max_length) return 2;"
     "  var ascii = Array(max_length + 1);"
     "  var non_ascii = Array(max_length + 1);"
     "  for (var i = 0; i <= max_length; i++) {"
     "    ascii[i] = ascii_chars.substring(0, i);"
     "    non_ascii[i] = non_ascii_chars.substring(0, i);"
     "  };"
     "  for (var i = 0; i <= max_length; i++) {"
     "    if (ascii[i] != external_ascii[i]) return 3;"
@@ skipping 12 matching lines @@
     "      if (non_ascii[i] !="
     "          (non_ascii[j] + external_non_ascii[i - j])) return 12;"
     "    }"
     "  }"
     "  return 0;"
     "};"
     "test()";
   CHECK_EQ(0,
            v8::Script::Compile(v8::String::New(source))->Run()->Int32Value());
 }