c := (v.l0 + 19) >> 51
	c = (v.l1 + c) >> 51
	c = (v.l2 + c) >> 51
	c = (v.l3 + c) >> 51
	c = (v.l4 + c) >> 51

	// If v < 2^255 - 19 and c = 0, this will be a no-op. Otherwise, it's
	// effectively applying the reduction identity to the carry.
	v.l0 += 19 * c

	v.l1 += v.l0 >> 51
	v.l0 = v.l0 & maskLow51Bits
	v.l2 += v.l1 >> 51
	v.l1 = v.l1 & maskLow51Bits

		_ = "" /* ERROR "mismatched types untyped string and untyped int" */ + 1
	}
}

func labels0() {
	goto L0
	goto L1
	L0:
	L1:
	L1 /* ERROR "already declared" */ :
	if true {
		goto L2
		L2:
		L0 /* ERROR "already declared" */ :
	}
	_ = func() {
		goto L0
		goto L1
		goto L2
		L0:
		L1:
		L2:
	}
}

func expression_statements(ch chan int) {

00000380  a6 cf f4 f4 b4 2c 08 0c  03 50 ac 47 74 ad 24 f1  |.....,...P.Gt.$.|
00000390  04 f3 d4 83 42 3f 35 a5  57 ff ab 59 0c 9a a2 ca  |....B?5.W..Y....|
000003a0  6c 30 b7 87 73 af 53 f9  1d 6b e7 44 ec d1 bd 14  |l0..s.S..k.D....|
000003b0  15 09 cf ff 82 5e a2 6d  ba 00 53 b8 b3 7c 0e e5  |.....^.m..S..|..|
000003c0  d1 e2 a2 38 25 88 aa ee  93 c8 d9 d1 88 42 42 90  |...8%........BB.|