1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1318634.js b/js/src/jit-test/tests/ion/bug1318634.js
new file mode 100644
index 0000000000..58448bb170
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1318634.js
@@ -0,0 +1,20 @@
+var o1 = {get x() { return 1; }};
+var o2 = {get x() { return 2; }};
+var o3 = Object.create(o1);
+
+function f(o) {
+    return o.x;
+}
+
+var res = 0;
+for (var i=0; i<15; i++) {
+    res += f(o3);
+    res += f(o2);
+}
+
+o1.y = 1;
+
+for (var i=0; i<110; i++)
+    res += f(o2);
+
+assertEq(res, 265);