1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/destructuring-after-defaults.js b/js/src/jit-test/tests/arguments/destructuring-after-defaults.js
new file mode 100644
index 0000000000..66f24a8342
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/destructuring-after-defaults.js
@@ -0,0 +1,14 @@
+load(libdir + "asserts.js");
+
+function f1(a, bIs, cIs, dIs, b=1, [c], {d}) {
+    assertEq(a, 1);
+    assertEq(b, bIs);
+    assertEq(c, cIs);
+    assertEq(d, dIs);
+}
+assertEq(f1.length, 4);
+f1(1, 1, 42, 43, undefined, [42], {d: 43});
+f1(1, 42, 43, 44, 42, [43], {d: 44});
+assertThrowsInstanceOf(function () {
+  f1(1, 1, 1, 1);
+}, TypeError);