1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1607670-2.js b/js/src/jit-test/tests/ion/bug1607670-2.js
new file mode 100644
index 0000000000..9488fbf3ca
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1607670-2.js
@@ -0,0 +1,15 @@
+function inner(X, T) {
+    return Reflect.construct(X, [], T);
+}
+function F() {}
+
+let handler = {};
+let P = new Proxy(F, handler);
+
+for (var i = 0; i < 2000; i += 1) {
+    with ({}) {}
+    inner(F, P);
+}
+
+handler.get = function() {}
+inner(F, P);