1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1544386-2.js b/js/src/jit-test/tests/ion/bug1544386-2.js
new file mode 100644
index 0000000000..69c3bad799
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1544386-2.js
@@ -0,0 +1,10 @@
+x = [];
+x.unshift(4, 8);
+y = [];
+relazifyFunctions();
+y[3] = 9;
+y.__proto__ = x;
+for (var i = 0; i < 2; ++i) {
+    y.shift();
+}
+assertEq(y[0], 8);