Fixing merge issues

src/google/protobuf/arena_align.h

@@ -30,7 +30,7 @@
 
 // This file provides alignment utilities for use in arenas.
 //
-// `ArenaAlign` constains a single `align` data member and provides
+// `ArenaAlign` contains a single `align` data member and provides
 // the below functions which operate on the given alignment.
 //
 //   Ceil(size_t n)      - rounds `n` up to the nearest `align` boundary.

src/google/protobuf/arena_allocation_policy.h

@@ -41,7 +41,7 @@ namespace protobuf {
 namespace internal {
 
 // `AllocationPolicy` defines `Arena` allocation policies. Applications can
-// customize the inital and maximum sizes for arena allocation, as well as set
+// customize the initial and maximum sizes for arena allocation, as well as set
 // custom allocation and deallocation functions. `AllocationPolicy` is for
 // protocol buffer internal use only, and typically created from a user facing
 // public configuration class such as `ArenaOptions`.

src/google/protobuf/compiler/csharp/csharp_map_field.cc

@@ -88,7 +88,7 @@ void MapFieldGenerator::GenerateMembers(io::Printer* printer) {
 void MapFieldGenerator::GenerateMergingCode(io::Printer* printer) {
   printer->Print(
       variables_,
-      "$name$_.Add(other.$name$_);\n");
+      "$name$_.MergeFrom(other.$name$_);\n");
 }
 
 void MapFieldGenerator::GenerateParsingCode(io::Printer* printer) {

src/google/protobuf/json/internal/parser.cc

@@ -75,20 +75,20 @@ namespace {
 // convert it into some form of proto.
 //
 // This semantic layer is duplicated: proto2-ish code can deserialize directly
-// into a message, wheras proto3-ish code deserializes into a byte stream, using
-// TypeResolvers instead of Descriptors.
+// into a message, whereas proto3-ish code deserializes into a byte stream,
+// using TypeResolvers instead of Descriptors.
 //
 // The parsing code is templated over which of these two reflection + output
 // combinations is used. The traits types that collect the per-instantiation
 // functionality can be found in json_util2_parser_traits-inl.h.
 
-// This table maps an unsigned `char` value, intepreted as an ASCII character,
+// This table maps an unsigned `char` value, interpreted as an ASCII character,
 // to a corresponding value in the base64 alphabet (both traditional and
 // "web-safe" characters are included).
 //
 // If a character is not valid base64, it maps to -1; this is used by the bit
 // operations that assemble a base64-encoded word to determine if an error
-// occured, by checking the sign bit.
+// occurred, by checking the sign bit.
 constexpr signed char kBase64Table[256] = {
     -1,       -1,       -1,       -1,       -1,       -1,        -1,
     -1,       -1,       -1,       -1,       -1,       -1,        -1,
@@ -226,7 +226,7 @@ absl::StatusOr<LocationWith<T>> ParseIntInner(JsonLexer& lex, double lo,
       absl::StatusOr<LocationWith<MaybeOwnedString>> str = lex.ParseUtf8();
       RETURN_IF_ERROR(str.status());
       // SimpleAtoi will ignore leading and trailing whitespace, so we need
-      // to check for it outselves.
+      // to check for it ourselves.
       for (char c : str->value.AsView()) {
         if (absl::ascii_isspace(c)) {
           return lex.Invalid("non-number characters in quoted number");
@@ -1209,7 +1209,7 @@ absl::Status ParseField(JsonLexer& lex, const Desc<Traits>& desc,
 
   if (Traits::IsRepeated(*field)) {
     if (lex.options().allow_legacy_syntax && !lex.Peek(JsonLexer::kArr)) {
-      // The original ESF parser premits a single element in place of an array
+      // The original ESF parser permits a single element in place of an array
       // thereof.
       return ParseSingular<Traits>(lex, *field, msg);
     }

src/google/protobuf/json/internal/parser_traits.h

@@ -105,7 +105,7 @@ struct ParseProto2Descriptor : Proto2Descriptor {
   /// Functions for writing fields. ///
 
   // Marks a field as having been "seen". This will clear the field if it is
-  // the first occurence thereof.
+  // the first occurrence thereof.
   //
   // All setters call this function automatically, but it may also be called
   // eagerly to clear a pre-existing value that might not be overwritten, such

src/google/protobuf/util/message_differencer.h

@@ -188,7 +188,7 @@ class PROTOBUF_EXPORT MessageDifferencer {
     // if the original message packs another Any, then unpacked_any=2, assuming
     // the differencer unpacked both of them.
     //
-    // When an Any object packes a non-Any proto object whose field includes
+    // When an Any object packs a non-Any proto object whose field includes
     // Any, then unpacked_any=1. Thus, in most practical applications,
     // unpacked_any will be 0 or 1.
     const Message* message1 = nullptr;
@@ -330,31 +330,20 @@ class PROTOBUF_EXPORT MessageDifferencer {
     MapKeyComparator& operator=(const MapKeyComparator&) = delete;
     virtual ~MapKeyComparator();
 
-    // This method is DEPRECATED. It is never called directly by
-    // MessageDifferencer. New code should implement only the next form of
-    // IsMatch.
-    //
-    // TODO(b/248337479) Remove this method.
-    virtual bool IsMatch(
-        const Message& /* message1 */, const Message& /* message2 */,
-        const std::vector<SpecificField>& /* parent_fields */) const {
-      GOOGLE_CHECK(false) << "IsMatch() is not implemented.";
-      return false;
-    }
-
     // This method should be overridden by every implementation.  The arg
     // unmapped_any is nonzero the original messages provided by the user are of
     // type google.protobuf.Any.
     //
     // More precisely, unpacked_any defines the nesting level of Any.  For
     // example, if Any packs another Any then unpacked_any=2, assuming the
-    // patcher unpacked both.  Note that when an Any object packes a non-Any
+    // patcher unpacked both.  Note that when an Any object packs a non-Any
     // proto object whose field includes Any, then unpacked_any=1. Thus, in most
     // practical applications, unpacked_any will be 0 or 1.
     virtual bool IsMatch(const Message& message1, const Message& message2,
                          int /* unmapped_any */,
                          const std::vector<SpecificField>& fields) const {
-      return IsMatch(message1, message2, fields);
+      GOOGLE_CHECK(false) << "IsMatch() is not implemented.";
+      return false;
     }
   };
 

src/google/protobuf/util/message_differencer_unittest.cc

@@ -1907,6 +1907,7 @@ class ValueProductMapKeyComparator
  public:
   typedef util::MessageDifferencer::SpecificField SpecificField;
   bool IsMatch(const Message& message1, const Message& message2,
+               int unpacked_any,
                const std::vector<SpecificField>& parent_fields) const override {
     const Reflection* reflection1 = message1.GetReflection();
     const Reflection* reflection2 = message2.GetReflection();
@@ -1968,6 +1969,7 @@ class OffsetByOneMapKeyComparator
  public:
   typedef util::MessageDifferencer::SpecificField SpecificField;
   bool IsMatch(const Message& message1, const Message& message2,
+               int unpacked_any,
                const std::vector<SpecificField>& parent_fields) const override {
     return parent_fields.back().index + 1 == parent_fields.back().new_index;
   }
@@ -3402,6 +3404,7 @@ class LengthMapKeyComparator
  public:
   typedef util::MessageDifferencer::SpecificField SpecificField;
   bool IsMatch(const Message& message1, const Message& message2,
+               int unpacked_any,
                const std::vector<SpecificField>& parent_fields) const override {
     const Reflection* reflection1 = message1.GetReflection();
     const Reflection* reflection2 = message2.GetReflection();