diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/defaults-bound-to-function.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/defaults-bound-to-function.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,24 @@
+load(libdir + "asserts.js");
+
+function f(a=42) {
+    return a;
+    function a() { return 19; }
+}
+assertEq(f()(), 19);
+function h(a=b, b=43) {
+    return [a, b];
+    function b() { return 42; }
+}
+var res = h();
+assertEq(res[0], res[1]);
+assertEq(res[0](), 42);
+function i(b=FAIL) {
+    function b() {}
+}
+i();
+i(42);
+function j(a=(b=42), b=8) {
+    return b;
+    function b() {}
+}
+assertEq(j(), 42);