text: function test() {
      let a = [,,,,,,,,,];
      return a.concat();
  }
  noInline(test);
  
  test()[0] = 42; // Set the ArrayAllocationProfile to Int32Shape.
  
  for (let i = 0; i < 20000; ++i) {
      var result = test();
      if (result[0])
          throw result.toString();
  }
  