1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/iterators/iter-sum-overflow-ndebug.rs b/tests/ui/iterators/iter-sum-overflow-ndebug.rs
new file mode 100644
index 00000000000..69f4744cc2a
--- /dev/null
+++ b/tests/ui/iterators/iter-sum-overflow-ndebug.rs
@@ -0,0 +1,14 @@
+// run-pass
+// compile-flags: -C debug_assertions=no
+
+fn main() {
+    assert_eq!([1i32, i32::MAX].iter().sum::<i32>(),
+               1i32.wrapping_add(i32::MAX));
+    assert_eq!([2i32, i32::MAX].iter().product::<i32>(),
+               2i32.wrapping_mul(i32::MAX));
+
+    assert_eq!([1i32, i32::MAX].iter().cloned().sum::<i32>(),
+               1i32.wrapping_add(i32::MAX));
+    assert_eq!([2i32, i32::MAX].iter().cloned().product::<i32>(),
+               2i32.wrapping_mul(i32::MAX));
+}