// RUN: %target-typecheck-verify-swift -solver-memory-threshold 32000
// REQUIRES: OS=ios
import UIKit
class MyViewCell: UITableViewCell {
  let View1 : UIView = UIView(frame: .zero)
  let label1 = UILabel(frame: .zero)
  let label2 = UILabel(frame: .zero)
  let label3 = UILabel(frame: .zero)
  required init?(coder aDecoder: NSCoder) { fatalError("no") }
  override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
    super.init(style: .default, reuseIdentifier: reuseIdentifier)
    NSLayoutConstraint.activate([ // expected-error{{reasonable time}}
        NSLayoutConstraint(item: View1, attribute: .top, relatedBy: .equal, toItem: label1, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: View1, attribute: .top, relatedBy: .equal, toItem: label2, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: View1, attribute: .top, relatedBy: .equal, toItem: label3, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: View1, attribute: .top, relatedBy: .equal, toItem: label1, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: label1, attribute: .top, relatedBy: .equal, toItem: label2, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: label1, attribute: .top, relatedBy: .equal, toItem: label3, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: label1, attribute: .top, relatedBy: .equal, toItem: label1, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: label1, attribute: .top, relatedBy: .equal, toItem: label2, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: label2, attribute: .top, relatedBy: .equal, toItem: label3, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: label2, attribute: .top, relatedBy: .equal, toItem: label1, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: label3, attribute: .top, relatedBy: .equal, toItem: label2, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: label3, attribute: .top, relatedBy: .equal, toItem: label3, attribute: .top, multiplier: 1, constant: 1),
        NSLayoutConstraint(item: label3, attribute: .top, relatedBy: .equal, toItem: label2, attribute: .top, multiplier: 1, constant: 1)
      ])
  }
}

// No errors should appear below as a result of the error above.
var x = [1, 2, 3, 4.5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 ,19]
var y = 10

class C {}

var c = C()
var d = c