1 files changed, 7 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/bug1681677.js b/js/src/jit-test/tests/warp/bug1681677.js
new file mode 100644
index 0000000000..157a28740b
--- /dev/null
+++ b/js/src/jit-test/tests/warp/bug1681677.js
@@ -0,0 +1,7 @@
+var a = [1];
+var p = {__proto__: Array.prototype};
+Object.setPrototypeOf(a, p);
+for (var i = 0; i < 100; ++i) {
+  var x = a.slice(0);
+  assertEq(x.__proto__, Array.prototype);
+}