Similar to Bug #5386

gistfile1.txt

max = 1
max.times{
  Fiber.new{}
}

max = 1000
@cnt = 0
(1..100).map{|ti|
  Thread.new{
    max.times{|i|
      Fiber.new{
        @cnt += 1
      }.resume
    }
  }
}.each{|t|
  t.join
}

GC.stress = true

max = 70
@cnt = 0
(1..5).map{|ti|
  Thread.new{
    max.times{|i|
      Fiber.new{
        @cnt += 1
      }.resume
    }
  }
}.each{|t|
  t.join
}