// Move the stack repeatedly to make sure we're not doubling
	// it each time.
	for i := 0; i < 100; i++ {
		runtime.GCTestMoveStackOnNextCall()
		moveStack1(false)
	}
}

//go:noinline
func moveStack1(x bool) {
	// Make sure this function doesn't get auto-nosplit.
	if x {
		println("x")
	}
}

func TestGCTestIsReachable(t *testing.T) {
	var all, half []unsafe.Pointer