1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/bug618849.js b/js/src/jit-test/tests/jaeger/bug618849.js
new file mode 100644
index 0000000000..0df67a069f
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/bug618849.js
@@ -0,0 +1,11 @@
+
+function f() {
+    function g() {
+        var b = x;
+        var c = b++ & b;
+        return c;
+    }
+    var x = x--;
+    return g();
+}
+assertEq(f(), 0);