1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr40340-1.c b/gcc/testsuite/gcc.dg/pr40340-1.c
new file mode 100644
index 000000000..aae84c637
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr40340-1.c
@@ -0,0 +1,24 @@
+/* PR middle-end/40340 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -Wall -Wno-system-headers" } */
+
+#include "pr40340.h"
+
+static inline
+__attribute__ ((always_inline))
+void
+test (char *p)
+{
+  memset (p, 0, 6);
+}
+
+int
+main (void)
+{
+  char buf[4];
+  test (buf);
+  return 0;
+}
+
+/* { dg-warning "will always overflow destination buffer" "" { target *-*-* } 10 } */
+/* { dg-message "file included" "In file included" { target *-*-* } 0 } */