diff --git a/libstdc++-v3/testsuite/18_support/headers/climits/values.cc b/libstdc++-v3/testsuite/18_support/headers/climits/values.cc
index ac13f9f5c565..bf383694b1b4 100644
--- a/libstdc++-v3/testsuite/18_support/headers/climits/values.cc
+++ b/libstdc++-v3/testsuite/18_support/headers/climits/values.cc
@@ -49,4 +49,12 @@ namespace gnu
   unsigned short us = USHRT_MAX;
   unsigned long ul = ULONG_MAX;
 
+#if __cplusplus >= 201103L
+  // long long
+  long long ll1 = LLONG_MIN;
+  long long ll2 = LLONG_MAX;
+
+  // unsigned long long
+  unsigned long long ull1 = ULLONG_MAX;
+#endif
 }