1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/bug621655.js b/js/src/jit-test/tests/jaeger/bug621655.js
new file mode 100644
index 0000000000..5b14df90b1
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/bug621655.js
@@ -0,0 +1,10 @@
+/* Don't assert. */
+for(p in 0.3) { }
+
+Number.prototype.foo = function() {}
+var arr = [];
+
+for(p in 1.2) {
+    arr.push(p);
+}
+assertEq(arr[0], "foo");