1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug642164.js b/js/src/jit-test/tests/basic/bug642164.js
new file mode 100644
index 000000000..6b97e82ea
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug642164.js
@@ -0,0 +1,14 @@
+function raisesException(exception) {
+  return function (code) {
+      eval(code);
+  };
+};
+function obj() {
+  var o = { assertEq: true, y: 1 };
+  Object.defineProperty(o, 'x', { writable: false });
+  return o;
+}
+function in_strict_with(expr) {
+  return "with(obj()) { (function () { 'use strict'; " + expr + " })(); }";
+}
+try { assertEq(raisesException(TypeError)(in_strict_with('x++;')), true); } catch (e) {}