1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/overflow-warn-6.c b/gcc/testsuite/gcc.dg/overflow-warn-6.c
new file mode 100644
index 000000000..b3bc73610
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/overflow-warn-6.c
@@ -0,0 +1,18 @@
+/* Test non-constant operands in overflowed expressions.  */
+/* { dg-do compile } */
+/* { dg-options "-std=c99 -Woverflow" } */
+
+#include <limits.h>
+
+int 
+h1 (int x)
+{
+  return x * (0 * (INT_MAX + 1)); /* { dg-warning "integer overflow in expression" } */
+}
+
+int 
+h2 (int x)
+{
+  return ((INT_MAX + 1) * 0) * x; /* { dg-warning "integer overflow in expression" } */
+}
+