Turns out that wide literals U"xxx" and u"xxx" are c++11 and later.
llvm-svn: 336880
diff --git a/libcxx/test/std/strings/string.view/string.view.cons/assign.pass.cpp b/libcxx/test/std/strings/string.view/string.view.cons/assign.pass.cpp
index 478bec7..3307aa6 100644
--- a/libcxx/test/std/strings/string.view/string.view.cons/assign.pass.cpp
+++ b/libcxx/test/std/strings/string.view/string.view.cons/assign.pass.cpp
@@ -33,10 +33,12 @@
int main () {
assert( test<std::string_view> ( "1234"));
+#if TEST_STD_VER >= 11
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
assert( test<std::u16string_view> (u"1234"));
assert( test<std::u32string_view> (U"1234"));
#endif
+#endif
assert( test<std::wstring_view> (L"1234"));
#if TEST_STD_VER > 11