1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug639759.js b/js/src/jit-test/tests/basic/bug639759.js
new file mode 100644
index 000000000..ede971374
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug639759.js
@@ -0,0 +1,9 @@
+gczeal(2);
+function f() {
+    for(var i=0; i<10; i++) {
+        [1, [1, 2, 3]];
+        eval("");
+    }
+}
+eval("Array(f() ? 0 : 1)");
+eval("Array((eval(\"f()\")) ? true : eval(''))");