everything ok.js

module.exports = Foo

function Foo () {}

Foo.prototype.one = function (l) {
  this.two(l);
};

Foo.prototype.two = function (l) {
  if (l % 2) {
    // this.three(l * 1.5 + 16);
    this.four(l * 1.5 + 16);
  }
};

Foo.prototype.three = function (l) {
  this.four(l);
};

Foo.prototype.four = function (l) {
  getCapacity(l);
}

function getCapacity (capacity) {
  if (typeof capacity !== 'number') return 16;
  pow2AtLeast(
    Math.min(Math.max(16, capacity), 1073741824)
  );
}

function pow2AtLeast (n) {
  n = n >>> 0;
  n = n - 1;
  n = n | (n >> 1);
  n = n | (n >> 2);
  n = n | (n >> 4);
  n = n | (n >> 8);
  n = n | (n >> 16);
  return n + 1;
}

Red block of death.js

module.exports = Foo

function Foo () {}

Foo.prototype.one = function (l) {
  this.two(l);
};

Foo.prototype.two = function (l) {
  if (l % 2) {
    this.three(l * 1.5 + 16);
  }
};

Foo.prototype.three = function (l) {
  this.four(l);
};

Foo.prototype.four = function (l) {
  getCapacity(l);
}

function getCapacity (capacity) {
  if (typeof capacity !== 'number') return 16;
  pow2AtLeast(
    Math.min(Math.max(16, capacity), 1073741824)
  );
}

function pow2AtLeast (n) {
  n = n >>> 0;
  n = n - 1;
  n = n | (n >> 1);
  n = n | (n >> 2);
  n = n | (n >> 4);
  n = n | (n >> 8);
  n = n | (n >> 16);
  return n + 1;
}

runner.js

var Foo = require('./foo');
var l = 2 * 1000 * 1000;

var foo = new Foo();

while (--l) {
  foo.one(l)
}