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// Flags: --allow-natives-syntax --opt --no-always-opt --turbo-inlining

if (isNeverOptimizeLiteMode()) {
  print("Warning: skipping test that requires optimization in Lite mode.");
  testRunner.quit(0);
}

function f() {
  Array.prototype[10] = 2;
  var arr = new Array();
  arr[500] = 20;
  arr[10] = arr[50];
}
%PrepareFunctionForOptimization(f);

function g() {
  f();
}
%PrepareFunctionForOptimization(g);
g();
g();
%OptimizeFunctionOnNextCall(g);
g();
assertUnoptimized(g);