1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/diag-1.c b/gcc/testsuite/gcc.dg/format/diag-1.c
new file mode 100644
index 000000000..998e35b9b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/format/diag-1.c
@@ -0,0 +1,18 @@
+/* Test for format diagnostics.  */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#include "format.h"
+
+void
+foo (double d)
+{
+  /* This should get a message referring to `hh', not to `H'.  */
+  printf ("%hhf", d); /* { dg-warning "hh" "%hhf warning" } */
+  /* This should get a message referring to `ll', not to `q'.  */
+  printf ("%llf", d); /* { dg-warning "ll" "%llf warning" } */
+  /* This should get a message referring to 'size_t', not to
+     'unsigned int' or similar.  */
+  printf ("%zu", d); /* { dg-warning "size_t" "size_t format warning" } */
+}