libgo: update to Go1.18beta2

gotools/
	* Makefile.am (go_cmd_cgo_files): Add ast_go118.go
	(check-go-tool): Copy golang.org/x/tools directories.
	* Makefile.in: Regenerate.

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695

1 files changed, 5 insertions, 5 deletions

diff --git a/libgo/go/encoding/asn1/asn1.go b/libgo/go/encoding/asn1/asn1.go
index cffc06dc9c8..cad1d7b08f8 100644
--- a/libgo/go/encoding/asn1/asn1.go
+++ b/libgo/go/encoding/asn1/asn1.go
@@ -695,7 +695,7 @@ func parseField(v reflect.Value, bytes []byte, initOffset int, params fieldParam
 			err = SyntaxError{"data truncated"}
 			return
 		}
-		var result interface{}
+		var result any
 		if !t.isCompound && t.class == ClassUniversal {
 			innerBytes := bytes[offset : offset+t.length]
 			switch t.tag {
@@ -1086,7 +1086,7 @@ func setDefaultValue(v reflect.Value, params fieldParameters) (ok bool) {
 //
 // Other ASN.1 types are not supported; if it encounters them,
 // Unmarshal returns a parse error.
-func Unmarshal(b []byte, val interface{}) (rest []byte, err error) {
+func Unmarshal(b []byte, val any) (rest []byte, err error) {
 	return UnmarshalWithParams(b, val, "")
 }
 
@@ -1101,7 +1101,7 @@ func (e *invalidUnmarshalError) Error() string {
 		return "asn1: Unmarshal recipient value is nil"
 	}
 
-	if e.Type.Kind() != reflect.Ptr {
+	if e.Type.Kind() != reflect.Pointer {
 		return "asn1: Unmarshal recipient value is non-pointer " + e.Type.String()
 	}
 	return "asn1: Unmarshal recipient value is nil " + e.Type.String()
@@ -1109,9 +1109,9 @@ func (e *invalidUnmarshalError) Error() string {
 
 // UnmarshalWithParams allows field parameters to be specified for the
 // top-level element. The form of the params is the same as the field tags.
-func UnmarshalWithParams(b []byte, val interface{}, params string) (rest []byte, err error) {
+func UnmarshalWithParams(b []byte, val any, params string) (rest []byte, err error) {
 	v := reflect.ValueOf(val)
-	if v.Kind() != reflect.Ptr || v.IsNil() {
+	if v.Kind() != reflect.Pointer || v.IsNil() {
 		return nil, &invalidUnmarshalError{reflect.TypeOf(val)}
 	}
 	offset, err := parseField(v.Elem(), b, 0, parseFieldParameters(params))