t.Fatal("did not see a goroutine in a the region 'special'")
		}
	})
}

func TestTraceGCStress(t *testing.T) {
	testTraceProg(t, "gc-stress.go", nil)
}

func TestTraceGOMAXPROCS(t *testing.T) {
	testTraceProg(t, "gomaxprocs.go", nil)
}

func TestTraceStacks(t *testing.T) {
	testTraceProg(t, "stacks.go", func(t *testing.T, tb, _ []byte, stress bool) {
		type frame struct {