use go 1.12

Signed-off-by: hongming <talonwan@yunify.com>

vendor/github.com/gogo/protobuf/proto/equal.go

@@ -109,6 +109,15 @@ func equalStruct(v1, v2 reflect.Value) bool {
 				// set/unset mismatch
 				return false
 			}
+			b1, ok := f1.Interface().(raw)
+			if ok {
+				b2 := f2.Interface().(raw)
+				// RawMessage
+				if !bytes.Equal(b1.Bytes(), b2.Bytes()) {
+					return false
+				}
+				continue
+			}
 			f1, f2 = f1.Elem(), f2.Elem()
 		}
 		if !equalAny(f1, f2, sprop.Prop[i]) {
@@ -137,7 +146,11 @@ func equalStruct(v1, v2 reflect.Value) bool {
 
 	u1 := uf.Bytes()
 	u2 := v2.FieldByName("XXX_unrecognized").Bytes()
-	return bytes.Equal(u1, u2)
+	if !bytes.Equal(u1, u2) {
+		return false
+	}
+
+	return true
 }
 
 // v1 and v2 are known to have the same type.
@@ -248,15 +261,6 @@ func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool {
 
 		m1, m2 := e1.value, e2.value
 
-		if m1 == nil && m2 == nil {
-			// Both have only encoded form.
-			if bytes.Equal(e1.enc, e2.enc) {
-				continue
-			}
-			// The bytes are different, but the extensions might still be
-			// equal. We need to decode them to compare.
-		}
-
 		if m1 != nil && m2 != nil {
 			// Both are unencoded.
 			if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) {
@@ -272,12 +276,8 @@ func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool {
 			desc = m[extNum]
 		}
 		if desc == nil {
-			// If both have only encoded form and the bytes are the same,
-			// it is handled above. We get here when the bytes are different.
-			// We don't know how to decode it, so just compare them as byte
-			// slices.
 			log.Printf("proto: don't know how to compare extension %d of %v", extNum, base)
-			return false
+			continue
 		}
 		var err error
 		if m1 == nil {