RLMResults iteration issue

RLMResultsIterationIssue.swift

class MyObject: RLMObject {
  dynamic var property: Int = 0
}

// Create some data
let realm = RLMRealm.defaultRealm()
realm.beginWriteTransaction()
for i in 1...6 {
  realm.addObject(MyObject())
}
realm.commitWriteTransaction()

// Change all the properties to 1
let results = MyObject.objectsWhere('property == 0')
realm.beginWriteTransaction()
for result in results {
  let result = result as MyObject
  result.property = 1 // This invisibly mutates the results array
}
realm.commitWriteTransaction() // Only every other MyObject gets changed