diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug770762.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug770762.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,18 @@
+function first(a) {
+  return a[0];
+}
+function g() {
+  first([function() {}])();
+}
+first([function() {}]);
+first([function() {}]);
+first([function() {}]);
+first([function() {}]);
+first([function() {}]);
+first([function() {}]);
+first([function() {}]);
+first([function() {}]);
+first([function() {}]);
+first([function() {}]);
+g();
+g();