1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/getprop-constant.js b/js/src/jit-test/tests/ion/getprop-constant.js
new file mode 100644
index 0000000000..c11e855281
--- /dev/null
+++ b/js/src/jit-test/tests/ion/getprop-constant.js
@@ -0,0 +1,20 @@
+// |jit-test| error: TypeError
+
+/* GETPROP of a known constant where the lvalue may not be an object. */
+
+function foo(ox) {
+  var x = ox;
+  var n = 0;
+  for (var i = 0; i < 90; i++) {
+    n += x.f.g;
+    if (i >= 80)
+      x = undefined;
+  }
+  print(n);
+}
+var n = 1;
+function f() {}
+function g() {}
+g.g = 1;
+f.prototype = {f:g};
+foo(new f());