Down integrate from Google internal branch for C++ and Java.

- Maps for C++ lite
- C++ Arena optimizations.
- Java Lite runtime code size optimization.

Change-Id: I7537a4357c1cb385d23f9e8aa7ffdfeefe079f13

1 files changed, 8 insertions, 0 deletions

diff --git a/src/google/protobuf/wire_format.h b/src/google/protobuf/wire_format.h
index 9f26eb29..8de491a6 100644
--- a/src/google/protobuf/wire_format.h
+++ b/src/google/protobuf/wire_format.h
@@ -138,6 +138,14 @@ class LIBPROTOBUF_EXPORT WireFormat {
   static bool SkipMessage(io::CodedInputStream* input,
                           UnknownFieldSet* unknown_fields);
 
+  // Read a packed enum field. If the is_valid function is not NULL, values for
+  // which is_valid(value) returns false are appended to unknown_fields_stream.
+  static bool ReadPackedEnumPreserveUnknowns(io::CodedInputStream* input,
+                                             uint32 field_number,
+                                             bool (*is_valid)(int),
+                                             UnknownFieldSet* unknown_fields,
+                                             RepeatedField<int>* values);
+
   // Write the contents of an UnknownFieldSet to the output.
   static void SerializeUnknownFields(const UnknownFieldSet& unknown_fields,
                                      io::CodedOutputStream* output);