1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/auto-regress/bug697255.js b/js/src/jit-test/tests/auto-regress/bug697255.js
new file mode 100644
index 000000000..b9f0cae0d
--- /dev/null
+++ b/js/src/jit-test/tests/auto-regress/bug697255.js
@@ -0,0 +1,12 @@
+// Binary: cache/js-dbg-32-6cd262091470-linux
+// Flags: -j
+//
+a = evalcx("lazy");
+b = {}
+b.__proto__ = a
+a.__proto__ = String
+for (var a = 0; a < 50; a++) {
+    try {
+        b + ""
+    } catch (e) {}
+}