1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/wchar_t-1.c b/gcc/testsuite/gcc.dg/wchar_t-1.c
new file mode 100644
index 00000000000..6d95c69c304
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/wchar_t-1.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-Wall" } */
+
+/* Compile with -Wall to get a warning if built-in and system wchar_t don't
+   match.  */
+
+#define _STDDEF_H
+#include <wchar.h>
+
+__WCHAR_TYPE__ __wc_t__;
+wchar_t *wc_t_p;
+
+void
+wct (void)
+{
+  wc_t_p = &__wc_t__;
+}