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-rw-r--r--src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs b/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs
new file mode 100644
index 000000000..bc8dcbdbb
--- /dev/null
+++ b/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs
@@ -0,0 +1,28 @@
+// run-pass
+// needs-unwind
+// ignore-wasm32-bare compiled with panic=abort by default
+// compile-flags: -C overflow-checks
+
+use std::panic;
+
+fn main() {
+ let r = panic::catch_unwind(|| {
+ [1, i32::MAX].iter().sum::<i32>();
+ });
+ assert!(r.is_err());
+
+ let r = panic::catch_unwind(|| {
+ [2, i32::MAX].iter().product::<i32>();
+ });
+ assert!(r.is_err());
+
+ let r = panic::catch_unwind(|| {
+ [1, i32::MAX].iter().cloned().sum::<i32>();
+ });
+ assert!(r.is_err());
+
+ let r = panic::catch_unwind(|| {
+ [2, i32::MAX].iter().cloned().product::<i32>();
+ });
+ assert!(r.is_err());
+}