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      1 // Copyright 2014 the V8 project authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Flags: --allow-natives-syntax
      6 
      7 function bar() {
      8   throw "done";
      9 }
     10 
     11 function foo() {
     12   var i;
     13   while (i) {
     14     while (i) {
     15 }
     16     i++;
     17   }
     18   while (true) {
     19     bar();
     20   }
     21 }
     22 
     23 
     24 %OptimizeFunctionOnNextCall(foo);
     25 assertThrows(foo);
     26