[turbofan] Add deopt point for InternalSetPrototype in VisitObjectLiteral.

test/mjsunit/compiler/regress-572409.js

Index: test/mjsunit/compiler/regress-572409.js
diff --git a/test/mjsunit/compiler/regress-572409.js b/test/mjsunit/compiler/regress-572409.js
new file mode 100644
index 0000000000000000000000000000000000000000..126b622625ad4455b4bd2e309ee10e32eb02989e
--- /dev/null
+++ b/test/mjsunit/compiler/regress-572409.js
@@ -0,0 +1,10 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var o = function() {};
+function f() {
+  var lit = { __proto__: o  };
+  o instanceof RegExp;
+}
+f();