1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1304640.js b/js/src/jit-test/tests/ion/bug1304640.js
new file mode 100644
index 0000000000..6de29f8528
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1304640.js
@@ -0,0 +1,10 @@
+
+function f() {
+        return /x/;
+}
+function g() {
+        return (f() == f());
+}
+for (var i = 0; i < 2; ++i) {
+    assertEq(g(), false);
+}