func f1() {}
func f1() {}
func f2() {}

func (*t1) f1() {}
func (t1) f1() {}
func (t1) f2() {}

func (t2) f1() {}
func (t2) f2() {}
func (x *t2) f2() {}
`

// Calling ast.MergePackageFiles with ast.FilterFuncDuplicates
// keeps a duplicate entry with attached documentation in favor
// of one without, and it favors duplicate entries appearing
// later in the source over ones appearing earlier. This is why