diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/baseline/bug841718.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/baseline/bug841718.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,17 @@
+// Don't assert in the decompiler.
+function f() {
+    var o = null;
+
+    try {
+	delete o.prop;
+    } catch(e) {}
+
+    try {
+	delete o[1];
+    } catch(e) {}
+
+    try {
+	o[{}]++;
+    } catch(e) {}
+}
+f();