1 files changed, 19 insertions, 0 deletions
diff --git a/tests/codegen-llvm/vecdeque_no_panic.rs b/tests/codegen-llvm/vecdeque_no_panic.rs
new file mode 100644
index 00000000000..3166842afca
--- /dev/null
+++ b/tests/codegen-llvm/vecdeque_no_panic.rs
@@ -0,0 +1,19 @@
+// This test checks that `VecDeque::front[_mut]()` and `VecDeque::back[_mut]()` can't panic.
+
+//@ compile-flags: -Copt-level=3
+//@ ignore-std-debug-assertions (plain old debug assertions)
+
+#![crate_type = "lib"]
+
+use std::collections::VecDeque;
+
+// CHECK-LABEL: @dont_panic
+#[no_mangle]
+pub fn dont_panic(v: &mut VecDeque<usize>) {
+    // CHECK-NOT: expect
+    // CHECK-NOT: panic
+    v.front();
+    v.front_mut();
+    v.back();
+    v.back_mut();
+}