1 files changed, 16 insertions, 0 deletions
diff --git a/tests/codegen-llvm/vecdeque-nonempty-get-no-panic.rs b/tests/codegen-llvm/vecdeque-nonempty-get-no-panic.rs
new file mode 100644
index 00000000000..1f886b096bb
--- /dev/null
+++ b/tests/codegen-llvm/vecdeque-nonempty-get-no-panic.rs
@@ -0,0 +1,16 @@
+// Guards against regression for optimization discussed in issue #80836
+
+//@ compile-flags: -Copt-level=3
+
+#![crate_type = "lib"]
+
+use std::collections::VecDeque;
+
+// CHECK-LABEL: @front
+// CHECK: ret void
+#[no_mangle]
+pub fn front(v: VecDeque<usize>) {
+    if !v.is_empty() {
+        v.get(0).unwrap();
+    }
+}