t.Errorf("OverLoadFactor(%d,%d)=true, want false", count, b)
		}
		if !runtime.OverLoadFactor(count+1, b) {
			t.Errorf("OverLoadFactor(%d,%d)=false, want true", count+1, b)
		}
	}
}

func TestMapKeys(t *testing.T) {
	type key struct {
		s   string
		pad [128]byte // sizeof(key) > abi.MapMaxKeyBytes
	}
	m := map[key]int{{s: "a"}: 1, {s: "b"}: 2}
	keys := make([]key, 0, len(m))