[turbofan] Constant-fold certain JSOrdinaryHasInstance nodes.

test/mjsunit/compiler/instanceof.js

 // 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.
 
 // Flags: --allow-natives-syntax
 
 function A() {}
 var a = new A();
 
 var B = {
@@ skipping 113 matching lines @@
   }
 
   assertFalse(foo(a));
   assertFalse(foo(new A()));
   assertTrue(foo(new F()));
   %OptimizeFunctionOnNextCall(foo);
   assertFalse(foo(a));
   assertFalse(foo(new A()));
   assertTrue(foo(new F()));
 })();
+
+(function() {
+  function foo() {
+    var a = new A();
+    return a instanceof A;
+  }
+
+  assertTrue(foo());
+  assertTrue(foo());
+  %OptimizeFunctionOnNextCall(foo);
+  assertTrue(foo());
+})();