[turbofan] Constant-fold certain JSOrdinaryHasInstance nodes.

test/mjsunit/compiler/instanceof.js

Index: test/mjsunit/compiler/instanceof.js
diff --git a/test/mjsunit/compiler/instanceof.js b/test/mjsunit/compiler/instanceof.js
index cb88e7c284f1465d5a2e120a8c23637b96c87a46..f6a364e60741ef09840578ce557e28e15a038501 100644
--- a/test/mjsunit/compiler/instanceof.js
+++ b/test/mjsunit/compiler/instanceof.js
@@ -131,3 +131,15 @@ F.__proto__ = null;
   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());
+})();