1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/ms_nul-2.c b/gcc/testsuite/gcc.dg/format/ms_nul-2.c
new file mode 100644
index 000000000..3dfc3c62f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/format/ms_nul-2.c
@@ -0,0 +1,17 @@
+/* Test diagnostics for options used on their own without
+   -Wformat.  -Wformat-.  */
+/* Origin: Bruce Korb <bkorb@gnu.org> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-Wformat" } */
+
+/* { dg-warning "embedded .* in format" "ignored" { target *-*-* } 0 } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+fumble (void)
+{
+  static char const fmt[] = "x%s\0%s\n\0abc";
+  printf (fmt+4, fmt+8);
+}