fix openbsd

vendor/google.golang.org/protobuf/proto/decode.go

@@ -47,10 +47,18 @@ type UnmarshalOptions struct {
 	// RecursionLimit limits how deeply messages may be nested.
 	// If zero, a default limit is applied.
 	RecursionLimit int
+
+	//
+	// NoLazyDecoding turns off lazy decoding, which otherwise is enabled by
+	// default. Lazy decoding only affects submessages (annotated with [lazy =
+	// true] in the .proto file) within messages that use the Opaque API.
+	NoLazyDecoding bool
 }
 
 // Unmarshal parses the wire-format message in b and places the result in m.
 // The provided message must be mutable (e.g., a non-nil pointer to a message).
+//
+// See the [UnmarshalOptions] type if you need more control.
 func Unmarshal(b []byte, m Message) error {
 	_, err := UnmarshalOptions{RecursionLimit: protowire.DefaultRecursionLimit}.unmarshal(b, m.ProtoReflect())
 	return err
@@ -69,7 +77,7 @@ func (o UnmarshalOptions) Unmarshal(b []byte, m Message) error {
 // UnmarshalState parses a wire-format message and places the result in m.
 //
 // This method permits fine-grained control over the unmarshaler.
-// Most users should use Unmarshal instead.
+// Most users should use [Unmarshal] instead.
 func (o UnmarshalOptions) UnmarshalState(in protoiface.UnmarshalInput) (protoiface.UnmarshalOutput, error) {
 	if o.RecursionLimit == 0 {
 		o.RecursionLimit = protowire.DefaultRecursionLimit
@@ -102,6 +110,16 @@ func (o UnmarshalOptions) unmarshal(b []byte, m protoreflect.Message) (out proto
 		if o.DiscardUnknown {
 			in.Flags |= protoiface.UnmarshalDiscardUnknown
 		}
+
+		if !allowPartial {
+			// This does not affect how current unmarshal functions work, it just allows them
+			// to record this for lazy the decoding case.
+			in.Flags |= protoiface.UnmarshalCheckRequired
+		}
+		if o.NoLazyDecoding {
+			in.Flags |= protoiface.UnmarshalNoLazyDecoding
+		}
+
 		out, err = methods.Unmarshal(in)
 	} else {
 		o.RecursionLimit--
@@ -154,7 +172,7 @@ func (o UnmarshalOptions) unmarshalMessageSlow(b []byte, m protoreflect.Message)
 		var err error
 		if fd == nil {
 			err = errUnknown
-		} else if flags.ProtoLegacy {
+		} else if flags.ProtoLegacyWeak {
 			if fd.IsWeak() && fd.Message().IsPlaceholder() {
 				err = errUnknown // weak referent is not linked in
 			}