1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/inline-array-at.js b/js/src/jit-test/tests/warp/inline-array-at.js
new file mode 100644
index 0000000000..4abc06ebd5
--- /dev/null
+++ b/js/src/jit-test/tests/warp/inline-array-at.js
@@ -0,0 +1,15 @@
+function f(x) {
+  assertEq(x.at(0), 1);
+  assertEq(x.at(-1), 3);
+  assertEq(x.at(10), undefined);
+}
+
+function g() {
+  for (var i = 0; i < 100; i++) {
+    f([1, 2, 3]);
+  }
+}
+
+for (var j = 0; j < 10; j++) {
+  g();
+}