input.js

// ==ClosureCompiler==
// @compilation_level ADVANCED_OPTIMIZATIONS
// @output_file_name default.js
// @formatting pretty_print
// ==/ClosureCompiler==

/**
 * @constructor
 */
function Point(x, y) {
    this.x = x;
    this.y = y;
}

for (var x = 0; x < 10; ++x) {
    for (var y = 0; y < 10; ++y) {
        var p = new Point(x, y);
        console.log(p);
    }
}

output.js

function a() {
  var d = b;
  this.x = c;
  this.y = d;
}
for (var c = 0;10 > c;++c) {
  for (var b = 0;10 > b;++b) {
    console.log(new a);
  }
}
;