1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1607670-4.js b/js/src/jit-test/tests/ion/bug1607670-4.js
new file mode 100644
index 0000000000..de115bc531
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1607670-4.js
@@ -0,0 +1,16 @@
+function F() {}
+function G() {}
+
+function f() {
+    for (var i = 0; i < 10000; ++i) {
+        var o = Reflect.construct(F, []);
+        assertEq(Object.getPrototypeOf(o), F.prototype);
+    }
+
+    for (var i = 0; i < 10000; ++i) {
+        var o = Reflect.construct(F, [], G);
+        assertEq(Object.getPrototypeOf(o), G.prototype);
+    }
+}
+
+for (var i = 0; i < 2; ++i) f();