1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1640737.js b/js/src/jit-test/tests/ion/bug1640737.js
new file mode 100644
index 0000000000..9a1609a283
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1640737.js
@@ -0,0 +1,17 @@
+function g(arr) {
+    var res = [];
+    for (var i = 0; i < arr.length; i++) {
+        var el = arr[i];
+        res.push(el);
+    }
+    return res;
+}
+function f() {
+    for (var i = 0; i < 2; i++) {
+        var obj = {__proto__: []};
+        for (var j = 0; j < 1500; j++) {
+            g([13.37, obj]);
+        }
+    }
+}
+f();