hugeSink = new(struct {
			x float64
			y [n]*byte
			z []string
		})
		hugeSink = new(struct {
			x float64
			y [n]uintptr
			z []string
		})
	}
}

func TestPeriodicGC(t *testing.T) {
	if runtime.GOARCH == "wasm" {
		t.Skip("no sysmon on wasm yet")
	}

	// Make sure we're not in the middle of a GC.
	runtime.GC()

	var ms1, ms2 runtime.MemStats