Test use of locale functions in statically linked apps.

nptl/tst-locale1.c

@@ -0,0 +1,13 @@
+/* Test that the thread-local locale works right in the main thread
+   when statically linked.  */
+
+#include "../locale/tst-C-locale.c"
+
+#include <pthread.h>
+
+/* This is never called, just here to get pthreads linked in.  */
+void
+useless (void)
+{
+  pthread_create (0, 0, 0, 0);
+}