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-rw-r--r--libio/tst_wprintf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libio/tst_wprintf.c b/libio/tst_wprintf.c
index 0838441d2c..bf859f10fc 100644
--- a/libio/tst_wprintf.c
+++ b/libio/tst_wprintf.c
@@ -6,5 +6,6 @@ main (int argc, char *argv[])
 {
   fputws (L"Hello world!\n", stdout);
   wprintf (L"This %s a %ls string: %d\n", "is", L"mixed", 42);
+  wprintf (L"%Iu\n", 0xfeedbeef);
   return 0;
 }