diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testApplySpeculationFailInCompiler.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testApplySpeculationFailInCompiler.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+function baz(i) { return i }
+function bar(x, y) { return baz.apply(null, x ? y : arguments) }
+var s;
+for (var i = 0; i < 1000; ++i)
+  s = bar(true, [42]);
+assertEq(s, 42);