diff options
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/impl')
-rw-r--r-- | vendor/google.golang.org/protobuf/internal/impl/legacy_message.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/impl/legacy_message.go b/vendor/google.golang.org/protobuf/internal/impl/legacy_message.go index 3759b010..029feeef 100644 --- a/vendor/google.golang.org/protobuf/internal/impl/legacy_message.go +++ b/vendor/google.golang.org/protobuf/internal/impl/legacy_message.go @@ -440,6 +440,13 @@ func legacyMerge(in piface.MergeInput) piface.MergeOutput { if !ok { return piface.MergeOutput{} } + if !in.Source.IsValid() { + // Legacy Marshal methods may not function on nil messages. + // Check for a typed nil source only after we confirm that + // legacy Marshal/Unmarshal methods are present, for + // consistency. + return piface.MergeOutput{Flags: piface.MergeComplete} + } b, err := marshaler.Marshal() if err != nil { return piface.MergeOutput{} |