deps/v8/benchmarks/deltablue.js
function BinaryConstraint(var1, var2, strength) {
  BinaryConstraint.superConstructor.call(this, strength);
  this.v1 = var1;
  this.v2 = var2;
  this.direction = Direction.NONE;
  this.addConstraint();
}
function BinaryConstraint(var1, var2, strength) {
  BinaryConstraint.superConstructor.call(this, strength);
  this.v1 = var1;
  this.v2 = var2;
  this.direction = Direction.NONE;
  this.addConstraint();
}
Abstract superclass for constraints having two possible output
variables.