1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testBug607659.js b/js/src/jit-test/tests/basic/testBug607659.js
new file mode 100644
index 0000000000..edfda935c3
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testBug607659.js
@@ -0,0 +1,8 @@
+var g = 0;
+Object.defineProperty(RegExp.prototype, 'test', { get:function() { ++g } });
+function f() {
+    for (var i = 0; i < 100; ++i)
+        /a/.exec('a');
+}
+f();
+assertEq(g, 0);