1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/no-strict-overflow-5.c b/gcc/testsuite/gcc.dg/no-strict-overflow-5.c
new file mode 100644
index 000000000..a63bf342b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/no-strict-overflow-5.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-fno-strict-overflow -O2 -fdump-tree-optimized" } */
+
+/* Dual of strict-overflow-5.c.  */
+
+/* We can only unroll when using strict overflow semantics.  */
+
+int foo (int i)
+{
+  int index;
+  int r=0;
+ 
+  for (index = i; index <= i+4; index+=2) 
+    r++;
+ 
+  return r;
+}
+
+/* { dg-final { scan-tree-dump-times "r = 3" 0 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */