1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/ms_zero-length-1.c b/gcc/testsuite/gcc.dg/format/ms_zero-length-1.c
new file mode 100644
index 000000000..d024458a4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/format/ms_zero-length-1.c
@@ -0,0 +1,16 @@
+/* Test the -Wno-format-zero-length option, which suppresses warnings
+   about zero-length formats.  */
+/* Origin: Jason Thorpe <thorpej@wasabisystems.com> */
+/* { dg-do compile { target { *-*-mingw* } } } */
+/* { dg-options "-std=iso9899:1990 -pedantic -Wformat -Wno-format-zero-length" } */
+
+#define USE_SYSTEM_FORMATS
+#include "format.h"
+
+void
+foo (void)
+{
+  /* See ISO/IEC 9899:1990 (E) subclause 7.9.6.1 (pages 131-134).  */
+  /* Zero-length format strings are allowed.  */
+  printf ("");
+}