Function lazyChanger

deps/v8/test/mjsunit/optimized-filter.js:66–75

(deopt)

(function() {
  var a = [1, 2, 3, 4, 5];
  var lazyChanger = function(deopt) {
    var callback = function(v,i,o) {
      if (i === 2 && deopt) {
        a[2] = 100;
        %DeoptimizeNow();
       }
      return true;
    }
    return a.filter(callback);
  };
  %PrepareFunctionForOptimization(lazyChanger);
  assertEquals(a, lazyChanger());
  lazyChanger();