1 files changed, 14 insertions, 2 deletions
diff --git a/libcxx/test/re/re.traits/default.pass.cpp b/libcxx/test/re/re.traits/default.pass.cpp
index ebc3d80e390..0e071e8d028 100644
--- a/libcxx/test/re/re.traits/default.pass.cpp
+++ b/libcxx/test/re/re.traits/default.pass.cpp
@@ -15,9 +15,21 @@
 // regex_traits();
 
 #include <regex>
+#include <cassert>
 
 int main()
 {
-    std::regex_traits<char> t1();
-    std::regex_traits<wchar_t> t2();
+    {
+        std::regex_traits<char> t1;
+        assert(t1.getloc().name() == "C");
+        std::regex_traits<wchar_t> t2;
+        assert(t2.getloc().name() == "C");
+    }
+    {
+        std::locale::global(std::locale("en_US"));
+        std::regex_traits<char> t1;
+        assert(t1.getloc().name() == "en_US");
+        std::regex_traits<wchar_t> t2;
+        assert(t2.getloc().name() == "en_US");
+    }
 }