1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/pr57411.C b/gcc/testsuite/g++.dg/opt/pr57411.C
new file mode 100644
index 00000000000..9c99ee0619c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr57411.C
@@ -0,0 +1,23 @@
+// { dg-do compile }
+// { dg-options "-O -fno-tree-dce -ftree-vectorize" }
+
+static inline void
+iota (int *__first, int *__last, int __value)
+{
+  for (; __first != __last; ++__first)
+    {
+      *__first = __value;
+    }
+}
+
+void assert_fail ();
+
+int A[] = { 0, 0, 0 };
+
+void
+test01 (int equal)
+{
+  iota (A, A + 3, 1);
+  if (equal)
+    assert_fail ();
+}