[deoptimizer] Teach the Deoptimizer about bound functions.

test/mjsunit/regress/regress-crbug-729573-2.js

Index: test/mjsunit/regress/regress-crbug-729573-2.js
diff --git a/test/mjsunit/regress/regress-crbug-729573-2.js b/test/mjsunit/regress/regress-crbug-729573-2.js
new file mode 100644
index 0000000000000000000000000000000000000000..45486ec2a30f7e897454ad81e8f11463bcafc9c1
--- /dev/null
+++ b/test/mjsunit/regress/regress-crbug-729573-2.js
@@ -0,0 +1,23 @@
+// Copyright 2017 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.
+
+// Flags: --allow-natives-syntax
+
+function bar(x) {
+  "use strict";
+  return this + x;
+}
+
+function foo(f) {
+  var a = bar.bind(42, 1);
+  return f() ? 0 : a;
+}
+
+function t() { return true; }
+
+assertEquals(0, foo(t));
+assertEquals(0, foo(t));
+%OptimizeFunctionOnNextCall(foo);
+var a = foo(_ => false);
+assertEquals(43, a());