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 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

 /*

  * Any copyright is dedicated to the Public Domain.

  * http://creativecommons.org/licenses/publicdomain/

  */

 function f(s) {

   eval(s);

   return function(a) {

     var d;

     let (c = 3) {

       d = function() { a; }; // force Block object to be cloned

       with({}) {}; // repel JägerMonkey

       return b; // lookup occurs in scope of Block

     }

   };

 }

 var b = 1;

 var g1 = f("");

 var g2 = f("var b = 2;");

 /* Call the lambda once, caching a reference to the global b. */

 g1(0);

 /* 

  * If this call sees the above cache entry, then it will erroneously use the

  * global b.

  */

 assertEq(g2(0), 2);

 reportCompare(true, true);