1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug945512.js b/js/src/jit-test/tests/ion/bug945512.js
new file mode 100644
index 000000000..e0e641220
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug945512.js
@@ -0,0 +1,12 @@
+
+var handler = {
+    has: function (name) {
+        assertEq(1, 2);
+    }
+};
+
+for (var i=0; i<10; i++) {
+    var regex = /undefined/;
+    regex.__proto__ = new Proxy(function() {}, handler)
+}
+