diff --git a/src/google/protobuf/any.pb.cc b/src/google/protobuf/any.pb.cc
index 81d087a71b..55d8c7b672 100644
--- a/src/google/protobuf/any.pb.cc
+++ b/src/google/protobuf/any.pb.cc
@@ -211,7 +211,7 @@ void Any::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Any::Clear() {
+PROTOBUF_NOINLINE void Any::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Any)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -354,7 +354,7 @@ void Any::CopyFrom(const Any& from) {
   MergeFrom(from);
 }
 
-bool Any::IsInitialized() const {
+PROTOBUF_NOINLINE bool Any::IsInitialized() const {
   return true;
 }
 
diff --git a/src/google/protobuf/api.pb.cc b/src/google/protobuf/api.pb.cc
index 2ede77c011..808c19745d 100644
--- a/src/google/protobuf/api.pb.cc
+++ b/src/google/protobuf/api.pb.cc
@@ -348,7 +348,7 @@ void Api::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Api::Clear() {
+PROTOBUF_NOINLINE void Api::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Api)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -651,7 +651,7 @@ void Api::CopyFrom(const Api& from) {
   MergeFrom(from);
 }
 
-bool Api::IsInitialized() const {
+PROTOBUF_NOINLINE bool Api::IsInitialized() const {
   return true;
 }
 
@@ -795,7 +795,7 @@ void Method::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Method::Clear() {
+PROTOBUF_NOINLINE void Method::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Method)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1078,7 +1078,7 @@ void Method::CopyFrom(const Method& from) {
   MergeFrom(from);
 }
 
-bool Method::IsInitialized() const {
+PROTOBUF_NOINLINE bool Method::IsInitialized() const {
   return true;
 }
 
@@ -1184,7 +1184,7 @@ void Mixin::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Mixin::Clear() {
+PROTOBUF_NOINLINE void Mixin::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Mixin)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1330,7 +1330,7 @@ void Mixin::CopyFrom(const Mixin& from) {
   MergeFrom(from);
 }
 
-bool Mixin::IsInitialized() const {
+PROTOBUF_NOINLINE bool Mixin::IsInitialized() const {
   return true;
 }
 
diff --git a/src/google/protobuf/duration.pb.cc b/src/google/protobuf/duration.pb.cc
index a92d7bf4a6..15cef3f0e8 100644
--- a/src/google/protobuf/duration.pb.cc
+++ b/src/google/protobuf/duration.pb.cc
@@ -155,7 +155,7 @@ void Duration::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Duration::Clear() {
+PROTOBUF_NOINLINE void Duration::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Duration)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -222,16 +222,16 @@ failure:
 
   // int64 seconds = 1;
   if (this->_internal_seconds() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteInt64ToArray(
-        1, this->_internal_seconds(), target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        WriteInt64ToArrayWithField<1>(
+            stream, this->_internal_seconds(), target);
   }
 
   // int32 nanos = 2;
   if (this->_internal_nanos() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteInt32ToArray(
-        2, this->_internal_nanos(), target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        WriteInt32ToArrayWithField<2>(
+            stream, this->_internal_nanos(), target);
   }
 
   if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
@@ -296,7 +296,7 @@ void Duration::CopyFrom(const Duration& from) {
   MergeFrom(from);
 }
 
-bool Duration::IsInitialized() const {
+PROTOBUF_NOINLINE bool Duration::IsInitialized() const {
   return true;
 }
 
diff --git a/src/google/protobuf/field_mask.pb.cc b/src/google/protobuf/field_mask.pb.cc
index 7c80a0d789..dd96cb109b 100644
--- a/src/google/protobuf/field_mask.pb.cc
+++ b/src/google/protobuf/field_mask.pb.cc
@@ -153,7 +153,7 @@ void FieldMask::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void FieldMask::Clear() {
+PROTOBUF_NOINLINE void FieldMask::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.FieldMask)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -274,7 +274,7 @@ void FieldMask::CopyFrom(const FieldMask& from) {
   MergeFrom(from);
 }
 
-bool FieldMask::IsInitialized() const {
+PROTOBUF_NOINLINE bool FieldMask::IsInitialized() const {
   return true;
 }
 
diff --git a/src/google/protobuf/source_context.pb.cc b/src/google/protobuf/source_context.pb.cc
index 4df05cc197..8f6f726a8a 100644
--- a/src/google/protobuf/source_context.pb.cc
+++ b/src/google/protobuf/source_context.pb.cc
@@ -169,7 +169,7 @@ void SourceContext::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void SourceContext::Clear() {
+PROTOBUF_NOINLINE void SourceContext::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.SourceContext)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -286,7 +286,7 @@ void SourceContext::CopyFrom(const SourceContext& from) {
   MergeFrom(from);
 }
 
-bool SourceContext::IsInitialized() const {
+PROTOBUF_NOINLINE bool SourceContext::IsInitialized() const {
   return true;
 }
 
diff --git a/src/google/protobuf/struct.pb.cc b/src/google/protobuf/struct.pb.cc
index 1e5f3ce7ce..ef8d37cda6 100644
--- a/src/google/protobuf/struct.pb.cc
+++ b/src/google/protobuf/struct.pb.cc
@@ -272,7 +272,7 @@ void Struct::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Struct::Clear() {
+PROTOBUF_NOINLINE void Struct::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Struct)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -407,7 +407,7 @@ void Struct::CopyFrom(const Struct& from) {
   MergeFrom(from);
 }
 
-bool Struct::IsInitialized() const {
+PROTOBUF_NOINLINE bool Struct::IsInitialized() const {
   return true;
 }
 
@@ -586,7 +586,7 @@ void Value::clear_kind() {
 }
 
 
-void Value::Clear() {
+PROTOBUF_NOINLINE void Value::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Value)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -844,7 +844,7 @@ void Value::CopyFrom(const Value& from) {
   MergeFrom(from);
 }
 
-bool Value::IsInitialized() const {
+PROTOBUF_NOINLINE bool Value::IsInitialized() const {
   return true;
 }
 
@@ -908,7 +908,7 @@ void ListValue::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void ListValue::Clear() {
+PROTOBUF_NOINLINE void ListValue::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.ListValue)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1027,7 +1027,7 @@ void ListValue::CopyFrom(const ListValue& from) {
   MergeFrom(from);
 }
 
-bool ListValue::IsInitialized() const {
+PROTOBUF_NOINLINE bool ListValue::IsInitialized() const {
   return true;
 }
 
diff --git a/src/google/protobuf/timestamp.pb.cc b/src/google/protobuf/timestamp.pb.cc
index 78a06ee128..ef87470dd0 100644
--- a/src/google/protobuf/timestamp.pb.cc
+++ b/src/google/protobuf/timestamp.pb.cc
@@ -155,7 +155,7 @@ void Timestamp::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Timestamp::Clear() {
+PROTOBUF_NOINLINE void Timestamp::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Timestamp)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -222,16 +222,16 @@ failure:
 
   // int64 seconds = 1;
   if (this->_internal_seconds() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteInt64ToArray(
-        1, this->_internal_seconds(), target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        WriteInt64ToArrayWithField<1>(
+            stream, this->_internal_seconds(), target);
   }
 
   // int32 nanos = 2;
   if (this->_internal_nanos() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteInt32ToArray(
-        2, this->_internal_nanos(), target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        WriteInt32ToArrayWithField<2>(
+            stream, this->_internal_nanos(), target);
   }
 
   if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
@@ -296,7 +296,7 @@ void Timestamp::CopyFrom(const Timestamp& from) {
   MergeFrom(from);
 }
 
-bool Timestamp::IsInitialized() const {
+PROTOBUF_NOINLINE bool Timestamp::IsInitialized() const {
   return true;
 }
 
diff --git a/src/google/protobuf/type.pb.cc b/src/google/protobuf/type.pb.cc
index 8a8e9a10c7..0a83b6b065 100644
--- a/src/google/protobuf/type.pb.cc
+++ b/src/google/protobuf/type.pb.cc
@@ -560,7 +560,7 @@ void Type::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Type::Clear() {
+PROTOBUF_NOINLINE void Type::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Type)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -865,7 +865,7 @@ void Type::CopyFrom(const Type& from) {
   MergeFrom(from);
 }
 
-bool Type::IsInitialized() const {
+PROTOBUF_NOINLINE bool Type::IsInitialized() const {
   return true;
 }
 
@@ -1031,7 +1031,7 @@ void Field::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Field::Clear() {
+PROTOBUF_NOINLINE void Field::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Field)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1204,9 +1204,9 @@ failure:
 
   // int32 number = 3;
   if (this->_internal_number() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteInt32ToArray(
-        3, this->_internal_number(), target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        WriteInt32ToArrayWithField<3>(
+            stream, this->_internal_number(), target);
   }
 
   // string name = 4;
@@ -1227,9 +1227,9 @@ failure:
 
   // int32 oneof_index = 7;
   if (this->_internal_oneof_index() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteInt32ToArray(
-        7, this->_internal_oneof_index(), target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        WriteInt32ToArrayWithField<7>(
+            stream, this->_internal_oneof_index(), target);
   }
 
   // bool packed = 8;
@@ -1395,7 +1395,7 @@ void Field::CopyFrom(const Field& from) {
   MergeFrom(from);
 }
 
-bool Field::IsInitialized() const {
+PROTOBUF_NOINLINE bool Field::IsInitialized() const {
   return true;
 }
 
@@ -1536,7 +1536,7 @@ void Enum::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Enum::Clear() {
+PROTOBUF_NOINLINE void Enum::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Enum)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1808,7 +1808,7 @@ void Enum::CopyFrom(const Enum& from) {
   MergeFrom(from);
 }
 
-bool Enum::IsInitialized() const {
+PROTOBUF_NOINLINE bool Enum::IsInitialized() const {
   return true;
 }
 
@@ -1906,7 +1906,7 @@ void EnumValue::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void EnumValue::Clear() {
+PROTOBUF_NOINLINE void EnumValue::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.EnumValue)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1997,9 +1997,9 @@ failure:
 
   // int32 number = 2;
   if (this->_internal_number() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteInt32ToArray(
-        2, this->_internal_number(), target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        WriteInt32ToArrayWithField<2>(
+            stream, this->_internal_number(), target);
   }
 
   // repeated .google.protobuf.Option options = 3;
@@ -2080,7 +2080,7 @@ void EnumValue::CopyFrom(const EnumValue& from) {
   MergeFrom(from);
 }
 
-bool EnumValue::IsInitialized() const {
+PROTOBUF_NOINLINE bool EnumValue::IsInitialized() const {
   return true;
 }
 
@@ -2183,7 +2183,7 @@ void Option::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Option::Clear() {
+PROTOBUF_NOINLINE void Option::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Option)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -2337,7 +2337,7 @@ void Option::CopyFrom(const Option& from) {
   MergeFrom(from);
 }
 
-bool Option::IsInitialized() const {
+PROTOBUF_NOINLINE bool Option::IsInitialized() const {
   return true;
 }
 
diff --git a/src/google/protobuf/wrappers.pb.cc b/src/google/protobuf/wrappers.pb.cc
index ab9a1acf09..4ab2d84187 100644
--- a/src/google/protobuf/wrappers.pb.cc
+++ b/src/google/protobuf/wrappers.pb.cc
@@ -368,7 +368,7 @@ void DoubleValue::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void DoubleValue::Clear() {
+PROTOBUF_NOINLINE void DoubleValue::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.DoubleValue)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -493,7 +493,7 @@ void DoubleValue::CopyFrom(const DoubleValue& from) {
   MergeFrom(from);
 }
 
-bool DoubleValue::IsInitialized() const {
+PROTOBUF_NOINLINE bool DoubleValue::IsInitialized() const {
   return true;
 }
 
@@ -552,7 +552,7 @@ void FloatValue::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void FloatValue::Clear() {
+PROTOBUF_NOINLINE void FloatValue::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.FloatValue)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -677,7 +677,7 @@ void FloatValue::CopyFrom(const FloatValue& from) {
   MergeFrom(from);
 }
 
-bool FloatValue::IsInitialized() const {
+PROTOBUF_NOINLINE bool FloatValue::IsInitialized() const {
   return true;
 }
 
@@ -736,7 +736,7 @@ void Int64Value::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Int64Value::Clear() {
+PROTOBUF_NOINLINE void Int64Value::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Int64Value)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -792,9 +792,9 @@ failure:
 
   // int64 value = 1;
   if (this->_internal_value() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteInt64ToArray(
-        1, this->_internal_value(), target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        WriteInt64ToArrayWithField<1>(
+            stream, this->_internal_value(), target);
   }
 
   if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
@@ -850,7 +850,7 @@ void Int64Value::CopyFrom(const Int64Value& from) {
   MergeFrom(from);
 }
 
-bool Int64Value::IsInitialized() const {
+PROTOBUF_NOINLINE bool Int64Value::IsInitialized() const {
   return true;
 }
 
@@ -909,7 +909,7 @@ void UInt64Value::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void UInt64Value::Clear() {
+PROTOBUF_NOINLINE void UInt64Value::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.UInt64Value)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1023,7 +1023,7 @@ void UInt64Value::CopyFrom(const UInt64Value& from) {
   MergeFrom(from);
 }
 
-bool UInt64Value::IsInitialized() const {
+PROTOBUF_NOINLINE bool UInt64Value::IsInitialized() const {
   return true;
 }
 
@@ -1082,7 +1082,7 @@ void Int32Value::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void Int32Value::Clear() {
+PROTOBUF_NOINLINE void Int32Value::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.Int32Value)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1138,9 +1138,9 @@ failure:
 
   // int32 value = 1;
   if (this->_internal_value() != 0) {
-    target = stream->EnsureSpace(target);
-    target = ::_pbi::WireFormatLite::WriteInt32ToArray(
-        1, this->_internal_value(), target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
+        WriteInt32ToArrayWithField<1>(
+            stream, this->_internal_value(), target);
   }
 
   if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
@@ -1196,7 +1196,7 @@ void Int32Value::CopyFrom(const Int32Value& from) {
   MergeFrom(from);
 }
 
-bool Int32Value::IsInitialized() const {
+PROTOBUF_NOINLINE bool Int32Value::IsInitialized() const {
   return true;
 }
 
@@ -1255,7 +1255,7 @@ void UInt32Value::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void UInt32Value::Clear() {
+PROTOBUF_NOINLINE void UInt32Value::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.UInt32Value)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1369,7 +1369,7 @@ void UInt32Value::CopyFrom(const UInt32Value& from) {
   MergeFrom(from);
 }
 
-bool UInt32Value::IsInitialized() const {
+PROTOBUF_NOINLINE bool UInt32Value::IsInitialized() const {
   return true;
 }
 
@@ -1428,7 +1428,7 @@ void BoolValue::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void BoolValue::Clear() {
+PROTOBUF_NOINLINE void BoolValue::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.BoolValue)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1541,7 +1541,7 @@ void BoolValue::CopyFrom(const BoolValue& from) {
   MergeFrom(from);
 }
 
-bool BoolValue::IsInitialized() const {
+PROTOBUF_NOINLINE bool BoolValue::IsInitialized() const {
   return true;
 }
 
@@ -1617,7 +1617,7 @@ void StringValue::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void StringValue::Clear() {
+PROTOBUF_NOINLINE void StringValue::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.StringValue)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1734,7 +1734,7 @@ void StringValue::CopyFrom(const StringValue& from) {
   MergeFrom(from);
 }
 
-bool StringValue::IsInitialized() const {
+PROTOBUF_NOINLINE bool StringValue::IsInitialized() const {
   return true;
 }
 
@@ -1813,7 +1813,7 @@ void BytesValue::SetCachedSize(int size) const {
   _impl_._cached_size_.Set(size);
 }
 
-void BytesValue::Clear() {
+PROTOBUF_NOINLINE void BytesValue::Clear() {
 // @@protoc_insertion_point(message_clear_start:google.protobuf.BytesValue)
   ::uint32_t cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
@@ -1927,7 +1927,7 @@ void BytesValue::CopyFrom(const BytesValue& from) {
   MergeFrom(from);
 }
 
-bool BytesValue::IsInitialized() const {
+PROTOBUF_NOINLINE bool BytesValue::IsInitialized() const {
   return true;
 }