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-rw-r--r--src/google/protobuf/compiler/cpp/cpp_message.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_message.cc b/src/google/protobuf/compiler/cpp/cpp_message.cc
index 8c0bfab7..af409c29 100644
--- a/src/google/protobuf/compiler/cpp/cpp_message.cc
+++ b/src/google/protobuf/compiler/cpp/cpp_message.cc
@@ -3364,7 +3364,7 @@ GenerateSerializeWithCachedSizesBody(io::Printer* printer, bool to_array) {
} else {
printer->Print(
"output->WriteRaw(unknown_fields().data(),\n"
- " unknown_fields().size());\n");
+ " static_cast<int>(unknown_fields().size()));\n");
}
}
}