1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug724562.js b/js/src/jit-test/tests/ion/bug724562.js
new file mode 100644
index 0000000000..b59c9917e7
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug724562.js
@@ -0,0 +1,15 @@
+function fannkuch(n) {
+    var perm1 = Array(n);
+    for (var i = 0; i < n; i++) { };
+    var r = n;
+    do {
+        while (r != 1) { r--; }
+        for (var z=0; z<50; z++) {
+            while (i < r) {
+                perm1[i];
+                i++;
+            }
+        }
+    } while(false);
+}
+fannkuch(18);