fix build - misc ... vs ...T fixes

TBR=r
CC=golang-dev
https://golang.org/cl/198081

src/pkg/encoding/ascii85/ascii85_test.go

@@ -8,7 +8,6 @@ import (
 	"bytes"
 	"io/ioutil"
 	"os"
-	"reflect"
 	"strings"
 	"testing"
 )
@@ -34,11 +33,8 @@ var pairs = []testpair{
 
 var bigtest = pairs[len(pairs)-1]
 
-func testEqual(t *testing.T, msg string, args ...) bool {
-	v := reflect.NewValue(args).(*reflect.StructValue)
-	v1 := v.Field(v.NumField() - 2)
-	v2 := v.Field(v.NumField() - 1)
-	if v1.Interface() != v2.Interface() {
+func testEqual(t *testing.T, msg string, args ...interface{}) bool {
+	if args[len(args)-2] != args[len(args)-1] {
 		t.Errorf(msg, args)
 		return false
 	}

src/pkg/encoding/base64/base64_test.go

@@ -8,7 +8,6 @@ import (
 	"bytes"
 	"io/ioutil"
 	"os"
-	"reflect"
 	"strings"
 	"testing"
 )
@@ -48,11 +47,8 @@ var bigtest = testpair{
 	"VHdhcyBicmlsbGlnLCBhbmQgdGhlIHNsaXRoeSB0b3Zlcw==",
 }
 
-func testEqual(t *testing.T, msg string, args ...) bool {
-	v := reflect.NewValue(args).(*reflect.StructValue)
-	v1 := v.Field(v.NumField() - 2)
-	v2 := v.Field(v.NumField() - 1)
-	if v1.Interface() != v2.Interface() {
+func testEqual(t *testing.T, msg string, args ...interface{}) bool {
+	if args[len(args)-2] != args[len(args)-1] {
 		t.Errorf(msg, args)
 		return false
 	}

src/pkg/encoding/git85/git_test.go

@@ -8,7 +8,6 @@ import (
 	"bytes"
 	"io/ioutil"
 	"os"
-	"reflect"
 	"strings"
 	"testing"
 )
@@ -17,11 +16,8 @@ type testpair struct {
 	decoded, encoded string
 }
 
-func testEqual(t *testing.T, msg string, args ...) bool {
-	v := reflect.NewValue(args).(*reflect.StructValue)
-	v1 := v.Field(v.NumField() - 2)
-	v2 := v.Field(v.NumField() - 1)
-	if v1.Interface() != v2.Interface() {
+func testEqual(t *testing.T, msg string, args ...interface{}) bool {
+	if args[len(args)-2] != args[len(args)-1] {
 		t.Errorf(msg, args)
 		return false
 	}

src/pkg/exp/datafmt/datafmt.go

@@ -721,7 +721,8 @@ func (f Format) Sprint(args ...) string {
 	var buf bytes.Buffer
 	_, err := f.Fprint(&buf, nil, args)
 	if err != nil {
-		fmt.Fprintf(&buf, "--- Sprint(%s) failed: %v", fmt.Sprint(args), err)
+		var i interface{} = args
+		fmt.Fprintf(&buf, "--- Sprint(%s) failed: %v", fmt.Sprint(i), err)
 	}
 	return buf.String()
 }