Function test

deps/v8/test/mjsunit/array-shift3.js:8–11

(a)

Array.prototype[1] = "element 1";
function test(a) {
  a.shift();
  return a;
};
%PrepareFunctionForOptimization(test);
assertEquals(['element 1', {}], test([0, , {}]));
assertEquals(['element 1', 10], test([9, , 10]));