[turbofan] Check instruction input/output count limits in instruction selector.

test/mjsunit/compiler/regress-625966.js

Index: test/mjsunit/compiler/regress-625966.js
diff --git a/test/message/new-target-escaped.js b/test/mjsunit/compiler/regress-625966.js
similarity index 63%
copy from test/message/new-target-escaped.js
copy to test/mjsunit/compiler/regress-625966.js
index f8398bebd4dda6d8568b3f80cbc85ed2c6d6710e..187596e4af64b436e179f744241e46ba4579d9ba 100644
--- a/test/message/new-target-escaped.js
+++ b/test/mjsunit/compiler/regress-625966.js
@@ -1,10 +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.
-//
-//
 
-function f() {
-  return new.t\u0061rget;
+"use strict";
+var s = "";
+for (var i = 0; i < 65535; i++) {
+  s += ("var a" + i + ";");
 }
-var o = new f();
+eval(s);