diff --git a/src/google/protobuf/any.pb.cc b/src/google/protobuf/any.pb.cc
index ba4ede8a9f..9fb68f3d5a 100644
--- a/src/google/protobuf/any.pb.cc
+++ b/src/google/protobuf/any.pb.cc
@@ -136,7 +136,7 @@ Any::Any(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE Any::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::Any& from_msg)
       : type_url_(arena, from.type_url_),
         value_(arena, from.value_),
         _cached_size_{0},
@@ -150,7 +150,7 @@ Any::Any(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
 
   // @@protoc_insertion_point(copy_constructor:google.protobuf.Any)
 }
diff --git a/src/google/protobuf/any.pb.h b/src/google/protobuf/any.pb.h
index 0176c73f1d..afa000a549 100644
--- a/src/google/protobuf/any.pb.h
+++ b/src/google/protobuf/any.pb.h
@@ -296,7 +296,8 @@ class PROTOBUF_EXPORT Any final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Any& from_msg);
     ::google::protobuf::internal::ArenaStringPtr type_url_;
     ::google::protobuf::internal::ArenaStringPtr value_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
diff --git a/src/google/protobuf/api.pb.cc b/src/google/protobuf/api.pb.cc
index dfe778b7d3..976f09bbca 100644
--- a/src/google/protobuf/api.pb.cc
+++ b/src/google/protobuf/api.pb.cc
@@ -249,7 +249,7 @@ Api::Api(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE Api::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::Api& from_msg)
       : _has_bits_{from._has_bits_},
         _cached_size_{0},
         methods_{visibility, arena, from.methods_},
@@ -266,7 +266,7 @@ Api::Api(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
   ::uint32_t cached_has_bits = _impl_._has_bits_[0];
   _impl_.source_context_ = (cached_has_bits & 0x00000001u) ? ::google::protobuf::Message::CopyConstruct<::google::protobuf::SourceContext>(
                               arena, *from._impl_.source_context_)
@@ -649,7 +649,7 @@ Method::Method(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE Method::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::Method& from_msg)
       : options_{visibility, arena, from.options_},
         name_(arena, from.name_),
         request_type_url_(arena, from.request_type_url_),
@@ -664,7 +664,7 @@ Method::Method(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
   ::memcpy(reinterpret_cast<char *>(&_impl_) +
                offsetof(Impl_, request_streaming_),
            reinterpret_cast<const char *>(&from._impl_) +
@@ -1020,7 +1020,7 @@ Mixin::Mixin(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE Mixin::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::Mixin& from_msg)
       : name_(arena, from.name_),
         root_(arena, from.root_),
         _cached_size_{0} {}
@@ -1033,7 +1033,7 @@ Mixin::Mixin(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
 
   // @@protoc_insertion_point(copy_constructor:google.protobuf.Mixin)
 }
diff --git a/src/google/protobuf/api.pb.h b/src/google/protobuf/api.pb.h
index 7e55dea31d..47d6a3cfa5 100644
--- a/src/google/protobuf/api.pb.h
+++ b/src/google/protobuf/api.pb.h
@@ -256,7 +256,8 @@ class PROTOBUF_EXPORT Mixin final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Mixin& from_msg);
     ::google::protobuf::internal::ArenaStringPtr name_;
     ::google::protobuf::internal::ArenaStringPtr root_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
@@ -518,7 +519,8 @@ class PROTOBUF_EXPORT Method final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Method& from_msg);
     ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option > options_;
     ::google::protobuf::internal::ArenaStringPtr name_;
     ::google::protobuf::internal::ArenaStringPtr request_type_url_;
@@ -798,7 +800,8 @@ class PROTOBUF_EXPORT Api final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Api& from_msg);
     ::google::protobuf::internal::HasBits<1> _has_bits_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     ::google::protobuf::RepeatedPtrField< ::google::protobuf::Method > methods_;
diff --git a/src/google/protobuf/duration.pb.h b/src/google/protobuf/duration.pb.h
index c25f473b25..35e0b3be00 100644
--- a/src/google/protobuf/duration.pb.h
+++ b/src/google/protobuf/duration.pb.h
@@ -236,7 +236,8 @@ class PROTOBUF_EXPORT Duration final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Duration& from_msg);
     ::int64_t seconds_;
     ::int32_t nanos_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
diff --git a/src/google/protobuf/empty.pb.h b/src/google/protobuf/empty.pb.h
index b1c231ec30..5327dfef80 100644
--- a/src/google/protobuf/empty.pb.h
+++ b/src/google/protobuf/empty.pb.h
@@ -197,7 +197,8 @@ class PROTOBUF_EXPORT Empty final : public ::google::protobuf::internal::ZeroFie
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Empty& from_msg);
     PROTOBUF_TSAN_DECLARE_MEMBER
   };
   friend struct ::TableStruct_google_2fprotobuf_2fempty_2eproto;
diff --git a/src/google/protobuf/field_mask.pb.cc b/src/google/protobuf/field_mask.pb.cc
index 39840ba0c0..7c6ee30b52 100644
--- a/src/google/protobuf/field_mask.pb.cc
+++ b/src/google/protobuf/field_mask.pb.cc
@@ -112,7 +112,7 @@ FieldMask::FieldMask(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE FieldMask::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::FieldMask& from_msg)
       : paths_{visibility, arena, from.paths_},
         _cached_size_{0} {}
 
@@ -124,7 +124,7 @@ FieldMask::FieldMask(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
 
   // @@protoc_insertion_point(copy_constructor:google.protobuf.FieldMask)
 }
diff --git a/src/google/protobuf/field_mask.pb.h b/src/google/protobuf/field_mask.pb.h
index 25b3828a4d..ae92a36b06 100644
--- a/src/google/protobuf/field_mask.pb.h
+++ b/src/google/protobuf/field_mask.pb.h
@@ -243,7 +243,8 @@ class PROTOBUF_EXPORT FieldMask final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const FieldMask& from_msg);
     ::google::protobuf::RepeatedPtrField<std::string> paths_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
diff --git a/src/google/protobuf/source_context.pb.cc b/src/google/protobuf/source_context.pb.cc
index 8a5b799484..0b7eead6a6 100644
--- a/src/google/protobuf/source_context.pb.cc
+++ b/src/google/protobuf/source_context.pb.cc
@@ -114,7 +114,7 @@ SourceContext::SourceContext(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE SourceContext::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::SourceContext& from_msg)
       : file_name_(arena, from.file_name_),
         _cached_size_{0} {}
 
@@ -126,7 +126,7 @@ SourceContext::SourceContext(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
 
   // @@protoc_insertion_point(copy_constructor:google.protobuf.SourceContext)
 }
diff --git a/src/google/protobuf/source_context.pb.h b/src/google/protobuf/source_context.pb.h
index 3621b1e4fd..3ab2b46c45 100644
--- a/src/google/protobuf/source_context.pb.h
+++ b/src/google/protobuf/source_context.pb.h
@@ -231,7 +231,8 @@ class PROTOBUF_EXPORT SourceContext final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const SourceContext& from_msg);
     ::google::protobuf::internal::ArenaStringPtr file_name_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
diff --git a/src/google/protobuf/struct.pb.cc b/src/google/protobuf/struct.pb.cc
index 4286dc5434..aa7929b11f 100644
--- a/src/google/protobuf/struct.pb.cc
+++ b/src/google/protobuf/struct.pb.cc
@@ -245,7 +245,7 @@ Struct::Struct(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE Struct::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::Struct& from_msg)
       : fields_{visibility, arena, from.fields_},
         _cached_size_{0} {}
 
@@ -257,7 +257,7 @@ Struct::Struct(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
 
   // @@protoc_insertion_point(copy_constructor:google.protobuf.Struct)
 }
@@ -488,7 +488,7 @@ Value::Value(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE Value::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::Value& from_msg)
       : kind_{},
         _cached_size_{0},
         _oneof_case_{from._oneof_case_[0]} {}
@@ -501,7 +501,7 @@ Value::Value(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
   switch (kind_case()) {
     case KIND_NOT_SET:
       break;
@@ -886,7 +886,7 @@ ListValue::ListValue(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE ListValue::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::ListValue& from_msg)
       : values_{visibility, arena, from.values_},
         _cached_size_{0} {}
 
@@ -898,7 +898,7 @@ ListValue::ListValue(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
 
   // @@protoc_insertion_point(copy_constructor:google.protobuf.ListValue)
 }
diff --git a/src/google/protobuf/struct.pb.h b/src/google/protobuf/struct.pb.h
index ad1b79f8c1..173cb66e9d 100644
--- a/src/google/protobuf/struct.pb.h
+++ b/src/google/protobuf/struct.pb.h
@@ -277,7 +277,8 @@ class PROTOBUF_EXPORT ListValue final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const ListValue& from_msg);
     ::google::protobuf::RepeatedPtrField< ::google::protobuf::Value > values_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
@@ -452,7 +453,8 @@ class PROTOBUF_EXPORT Struct final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Struct& from_msg);
     ::google::protobuf::internal::MapField<Struct_FieldsEntry_DoNotUse, std::string, ::google::protobuf::Value,
                       ::google::protobuf::internal::WireFormatLite::TYPE_STRING,
                       ::google::protobuf::internal::WireFormatLite::TYPE_MESSAGE>
@@ -751,7 +753,8 @@ class PROTOBUF_EXPORT Value final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Value& from_msg);
     union KindUnion {
       constexpr KindUnion() : _constinit_{} {}
       ::google::protobuf::internal::ConstantInitialized _constinit_;
diff --git a/src/google/protobuf/timestamp.pb.h b/src/google/protobuf/timestamp.pb.h
index 71a474843a..d23ccccf4a 100644
--- a/src/google/protobuf/timestamp.pb.h
+++ b/src/google/protobuf/timestamp.pb.h
@@ -236,7 +236,8 @@ class PROTOBUF_EXPORT Timestamp final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Timestamp& from_msg);
     ::int64_t seconds_;
     ::int32_t nanos_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
diff --git a/src/google/protobuf/type.pb.cc b/src/google/protobuf/type.pb.cc
index dfb47487d7..259acbc9c2 100644
--- a/src/google/protobuf/type.pb.cc
+++ b/src/google/protobuf/type.pb.cc
@@ -429,7 +429,7 @@ Type::Type(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE Type::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::Type& from_msg)
       : _has_bits_{from._has_bits_},
         _cached_size_{0},
         fields_{visibility, arena, from.fields_},
@@ -446,7 +446,7 @@ Type::Type(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
   ::uint32_t cached_has_bits = _impl_._has_bits_[0];
   _impl_.source_context_ = (cached_has_bits & 0x00000001u) ? ::google::protobuf::Message::CopyConstruct<::google::protobuf::SourceContext>(
                               arena, *from._impl_.source_context_)
@@ -822,7 +822,7 @@ Field::Field(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE Field::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::Field& from_msg)
       : options_{visibility, arena, from.options_},
         name_(arena, from.name_),
         type_url_(arena, from.type_url_),
@@ -838,7 +838,7 @@ Field::Field(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
   ::memcpy(reinterpret_cast<char *>(&_impl_) +
                offsetof(Impl_, kind_),
            reinterpret_cast<const char *>(&from._impl_) +
@@ -1280,7 +1280,7 @@ Enum::Enum(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE Enum::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::Enum& from_msg)
       : _has_bits_{from._has_bits_},
         _cached_size_{0},
         enumvalue_{visibility, arena, from.enumvalue_},
@@ -1296,7 +1296,7 @@ Enum::Enum(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
   ::uint32_t cached_has_bits = _impl_._has_bits_[0];
   _impl_.source_context_ = (cached_has_bits & 0x00000001u) ? ::google::protobuf::Message::CopyConstruct<::google::protobuf::SourceContext>(
                               arena, *from._impl_.source_context_)
@@ -1648,7 +1648,7 @@ EnumValue::EnumValue(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE EnumValue::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::EnumValue& from_msg)
       : options_{visibility, arena, from.options_},
         name_(arena, from.name_),
         _cached_size_{0} {}
@@ -1661,7 +1661,7 @@ EnumValue::EnumValue(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
   _impl_.number_ = from._impl_.number_;
 
   // @@protoc_insertion_point(copy_constructor:google.protobuf.EnumValue)
@@ -1909,7 +1909,7 @@ Option::Option(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE Option::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::Option& from_msg)
       : _has_bits_{from._has_bits_},
         _cached_size_{0},
         name_(arena, from.name_) {}
@@ -1922,7 +1922,7 @@ Option::Option(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
   ::uint32_t cached_has_bits = _impl_._has_bits_[0];
   _impl_.value_ = (cached_has_bits & 0x00000001u) ? ::google::protobuf::Message::CopyConstruct<::google::protobuf::Any>(
                               arena, *from._impl_.value_)
diff --git a/src/google/protobuf/type.pb.h b/src/google/protobuf/type.pb.h
index 802f93859f..e334e1e77b 100644
--- a/src/google/protobuf/type.pb.h
+++ b/src/google/protobuf/type.pb.h
@@ -381,7 +381,8 @@ class PROTOBUF_EXPORT Option final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Option& from_msg);
     ::google::protobuf::internal::HasBits<1> _has_bits_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     ::google::protobuf::internal::ArenaStringPtr name_;
@@ -740,7 +741,8 @@ class PROTOBUF_EXPORT Field final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Field& from_msg);
     ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option > options_;
     ::google::protobuf::internal::ArenaStringPtr name_;
     ::google::protobuf::internal::ArenaStringPtr type_url_;
@@ -954,7 +956,8 @@ class PROTOBUF_EXPORT EnumValue final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const EnumValue& from_msg);
     ::google::protobuf::RepeatedPtrField< ::google::protobuf::Option > options_;
     ::google::protobuf::internal::ArenaStringPtr name_;
     ::int32_t number_;
@@ -1241,7 +1244,8 @@ class PROTOBUF_EXPORT Type final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Type& from_msg);
     ::google::protobuf::internal::HasBits<1> _has_bits_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     ::google::protobuf::RepeatedPtrField< ::google::protobuf::Field > fields_;
@@ -1504,7 +1508,8 @@ class PROTOBUF_EXPORT Enum final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Enum& from_msg);
     ::google::protobuf::internal::HasBits<1> _has_bits_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     ::google::protobuf::RepeatedPtrField< ::google::protobuf::EnumValue > enumvalue_;
diff --git a/src/google/protobuf/wrappers.pb.cc b/src/google/protobuf/wrappers.pb.cc
index 4bfd901c6d..a25c04e8d9 100644
--- a/src/google/protobuf/wrappers.pb.cc
+++ b/src/google/protobuf/wrappers.pb.cc
@@ -1628,7 +1628,7 @@ StringValue::StringValue(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE StringValue::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::StringValue& from_msg)
       : value_(arena, from.value_),
         _cached_size_{0} {}
 
@@ -1640,7 +1640,7 @@ StringValue::StringValue(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
 
   // @@protoc_insertion_point(copy_constructor:google.protobuf.StringValue)
 }
@@ -1825,7 +1825,7 @@ BytesValue::BytesValue(::google::protobuf::Arena* arena)
 }
 inline PROTOBUF_NDEBUG_INLINE BytesValue::Impl_::Impl_(
     ::google::protobuf::internal::InternalVisibility visibility, ::google::protobuf::Arena* arena,
-    const Impl_& from)
+    const Impl_& from, const ::google::protobuf::BytesValue& from_msg)
       : value_(arena, from.value_),
         _cached_size_{0} {}
 
@@ -1837,7 +1837,7 @@ BytesValue::BytesValue(
   (void)_this;
   _internal_metadata_.MergeFrom<::google::protobuf::UnknownFieldSet>(
       from._internal_metadata_);
-  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_);
+  new (&_impl_) Impl_(internal_visibility(), arena, from._impl_, from);
 
   // @@protoc_insertion_point(copy_constructor:google.protobuf.BytesValue)
 }
diff --git a/src/google/protobuf/wrappers.pb.h b/src/google/protobuf/wrappers.pb.h
index 245839cacd..fbedab258c 100644
--- a/src/google/protobuf/wrappers.pb.h
+++ b/src/google/protobuf/wrappers.pb.h
@@ -249,7 +249,8 @@ class PROTOBUF_EXPORT UInt64Value final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const UInt64Value& from_msg);
     ::uint64_t value_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
@@ -419,7 +420,8 @@ class PROTOBUF_EXPORT UInt32Value final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const UInt32Value& from_msg);
     ::uint32_t value_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
@@ -595,7 +597,8 @@ class PROTOBUF_EXPORT StringValue final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const StringValue& from_msg);
     ::google::protobuf::internal::ArenaStringPtr value_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
@@ -765,7 +768,8 @@ class PROTOBUF_EXPORT Int64Value final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Int64Value& from_msg);
     ::int64_t value_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
@@ -935,7 +939,8 @@ class PROTOBUF_EXPORT Int32Value final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const Int32Value& from_msg);
     ::int32_t value_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
@@ -1105,7 +1110,8 @@ class PROTOBUF_EXPORT FloatValue final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const FloatValue& from_msg);
     float value_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
@@ -1275,7 +1281,8 @@ class PROTOBUF_EXPORT DoubleValue final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const DoubleValue& from_msg);
     double value_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
@@ -1451,7 +1458,8 @@ class PROTOBUF_EXPORT BytesValue final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const BytesValue& from_msg);
     ::google::protobuf::internal::ArenaStringPtr value_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER
@@ -1621,7 +1629,8 @@ class PROTOBUF_EXPORT BoolValue final : public ::google::protobuf::Message
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
                           ::google::protobuf::Arena* arena);
     inline explicit Impl_(::google::protobuf::internal::InternalVisibility visibility,
-                          ::google::protobuf::Arena* arena, const Impl_& from);
+                          ::google::protobuf::Arena* arena, const Impl_& from,
+                          const BoolValue& from_msg);
     bool value_;
     mutable ::google::protobuf::internal::CachedSize _cached_size_;
     PROTOBUF_TSAN_DECLARE_MEMBER