1 files changed, 19 insertions, 0 deletions

diff --git a/tests/codegen-llvm/issues/no-panic-for-pop-after-assert-71257.rs b/tests/codegen-llvm/issues/no-panic-for-pop-after-assert-71257.rs
new file mode 100644
index 00000000000..68877c28d6c
--- /dev/null
+++ b/tests/codegen-llvm/issues/no-panic-for-pop-after-assert-71257.rs
@@ -0,0 +1,19 @@
+// Tests that the `unwrap` branch is optimized out from the `pop` since the
+// length has already been validated.
+
+//@ compile-flags: -Copt-level=3
+
+#![crate_type = "lib"]
+
+pub enum Foo {
+    First(usize),
+    Second(usize),
+}
+
+// CHECK-LABEL: @check_only_one_panic
+#[no_mangle]
+pub fn check_only_one_panic(v: &mut Vec<Foo>) -> Foo {
+    // CHECK-COUNT-1: call{{.+}}panic
+    assert!(v.len() == 1);
+    v.pop().unwrap()
+}