Reland "Enable C++11 tests on windows."

TBR=svenpanne@chromium.org
BUG=400033
LOG=n

Review URL: https://codereview.chromium.org/511113002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23473 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/test-utils.cc

@@ -223,7 +223,7 @@ TEST(SequenceCollectorRegression) {
 
 
 // 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;