Enable C++11 tests on windows.

test/cctest/test-utils.cc

 // Copyright 2011 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 205 matching lines @@
   collector.Add('0');
   collector.AddBlock(
       i::Vector<const char>("12345678901234567890123456789012", 32));
   i::Vector<char> seq = collector.EndSequence();
   CHECK_EQ(0, strncmp("0123456789012345678901234567890123",
                       seq.start(), seq.length()));
 }
 
 
 // TODO(svenpanne) Unconditionally test this when our infrastructure is fixed.
-#if !V8_CC_MSVC && !V8_OS_NACL
+#if !V8_OS_NACL
 TEST(CPlusPlus11Features) {
   struct S {
     bool x;
     struct T {
       double y;
       int z[3];
     } t;
   };
   S s{true, {3.1415, {1, 2, 3}}};
   CHECK_EQ(2, s.t.z[1]);
@@ skipping 13 matching lines @@
   for (auto& i : vec) {
     ++i;
   }
   int j = 12;
   for (auto i : vec) {
     CHECK_EQ(j, i);
     j += 11;
   }
 }
 #endif