1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug1300548.js b/js/src/jit-test/tests/basic/bug1300548.js
new file mode 100644
index 000000000..f70f560bf
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1300548.js
@@ -0,0 +1,13 @@
+var g1 = newGlobal();
+var g2 = newGlobal({sameZoneAs: g1});
+function f() {
+    var o = Object.create(null);
+    for (var p in o) {};
+}
+g1.eval(f.toSource());
+g2.eval(f.toSource());
+
+for (var i=0; i<10; i++) {
+    g1.eval("f()");
+    g2.eval("f()");
+}