diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug863261.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug863261.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+// |jit-test| error: InternalError: too much recursion
+function TestCase(d) {
+    toPrinted(d)
+}
+function toPrinted(value) {}
+function reportCompare (expected, actual, description) {
+    if (typeof description == "undefined")
+        toPrinted(expected);
+    new TestCase(description);
+    reportCompare();
+}
+reportCompare(Math['LN2'], Math['LN2'], 0);