validation-test/Sema/type_checker_perf/slow/rdar19368383.swift

// RUN: %target-typecheck-verify-swift -solver-expression-time-threshold=1
// REQUIRES: tools-release,no_asserts

// Missing force of optional result of dictionary lookup.
func rdar19368383(d: [String : String]) -> [String] {
  var r = [String]()
  r += [ // expected-error {{expression was too complex to be solved in reasonable time; consider breaking up the expression into distinct sub-expressions}}
    "1" + d["2"] + "3",
    "1" + d["2"] + "3",
    "1" + d["2"] + "3",
    "1" + d["2"] + "3",
    "1" + d["2"] + "3",
    "1" + d["2"] + "3",
  ]
  return r
}