type Subselection {
  createdAt: Int!
}

type Issue {
  createdAt: Int
  subselection: [Subselection!]
}

type Query {
  issue755: Issue
}

fragment topLevelFragment on Issue {
  subselection {
    createdAt
    ...subselectionFragment
  }
  ...collidingTopLevelFragment
}

fragment collidingTopLevelFragment on Issue {
  subselection {
    createdAt
  }
}

fragment subselectionFragment on Subselection {
  createdAt
}

query {
  issue755 {
    ...topLevelFragment
  }
}