Correctly parse new regexp flags in v8::RegExp::New.

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index 219059e407c0b88400f674e2f7a3d3ffe498670c..8a3d14c7a0285c2ec4418a398f8a0aa99e687c36 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -17483,6 +17483,8 @@ TEST(PersistentHandleInNewSpaceVisitor) {
 
 
 TEST(RegExp) {
+  i::FLAG_harmony_regexps = true;
+  i::FLAG_harmony_unicode_regexps = true;
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
 
@@ -17507,6 +17509,14 @@ TEST(RegExp) {
   CHECK_EQ(v8::RegExp::kIgnoreCase | v8::RegExp::kMultiline,
            static_cast<int>(re->GetFlags()));
 
+  re = v8::RegExp::New(v8_str("baz"),
+                       static_cast<v8::RegExp::Flags>(v8::RegExp::kUnicode |
+                                                      v8::RegExp::kSticky));
+  CHECK(re->IsRegExp());
+  CHECK(re->GetSource()->Equals(v8_str("baz")));
+  CHECK_EQ(v8::RegExp::kUnicode | v8::RegExp::kSticky,
+           static_cast<int>(re->GetFlags()));
+
   re = CompileRun("/quux/").As<v8::RegExp>();
   CHECK(re->IsRegExp());
   CHECK(re->GetSource()->Equals(v8_str("quux")));