diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug758991.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug758991.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+// Don't treat f.caller as a singleton property access, it
+// has a non-default getter.
+function f(obj) {
+    return f.caller;
+}
+function g(obj) {
+    return f(obj);
+}
+function gg(obj) {
+    return f.call(obj, obj);
+}
+
+assertEq(g({}), g);
+
+actual = gg(function() {});
+assertEq(actual, gg);