t.Fatalf("n = %d: unexpected error on ReadByte: %v", n, err)
			}
			if b != data[i] {
				t.Fatalf("n = %d: incorrect byte returned from ReadByte: got %q, want %q", n, b, data[i])
			}
		}
		// Unread one byte if there is one.
		if n > 0 {
			if err := r.UnreadByte(); err != nil {
				t.Errorf("n = %d: unexpected error on UnreadByte: %v", n, err)
			}
		}
		// Test that we cannot unread any further.

	// Forced EVEX encoding due to suffixes.
	VADDPD.BCST 2032(DX), X0, X0 // 62f1fd185882f0070000
	VADDPD.BCST 2032(DX), Y0, Y0 // 62f1fd385882f0070000
	// Test new Z-cases one-by-one.
	//
	// Zevex_i_r_k_rm.
	VCVTPS2PH $1, Z2, K5, Y21 // 62b37d4d1dd501
	VCVTPS2PH $2, Z21, K4, Y2 // 62e37d4c1dea02
	// Zevex_i_r_rm.
	VCVTPS2PH $1, Z2, Y21 // 62b37d481dd501

	}
	corrupter(data)
	return bytes.NewReader(data), int64(len(data))
}

func returnCorruptCRC32Zip() (r io.ReaderAt, size int64) {
	return messWith("go-with-datadesc-sig.zip", func(b []byte) {
		// Corrupt one of the CRC32s in the data descriptor:
		b[0x2d]++
	})
}

func returnCorruptNotStreamedZip() (r io.ReaderAt, size int64) {
	return messWith("crc32-not-streamed.zip", func(b []byte) {

				p.GccOptions = append(p.GccOptions, arg)
			}
		}
	}
	if flag == "LDFLAGS" {
		p.LdFlags = append(p.LdFlags, args...)
	}
}

// splitQuoted splits the string s around each instance of one or more consecutive
// white space characters while taking into account quotes and escaping, and
// returns an array of substrings of s or an empty list if s contains only white space.

					t.Errorf("Equal(%d, %d, %d) = false", len, x, y)
				}
			}
		}
	}
}

// make sure Equal returns false for minimally different strings. The data
// is all zeros except for a single one in one location.
func TestNotEqual(t *testing.T) {
	var size = 128
	if testing.Short() {
		size = 32
	}
	a := make([]byte, size)
	b := make([]byte, size)

	for len := 0; len <= size; len++ {