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-rw-r--r--src/google/protobuf/wire_format.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/google/protobuf/wire_format.h b/src/google/protobuf/wire_format.h
index 6c3f44a4..6cc90029 100644
--- a/src/google/protobuf/wire_format.h
+++ b/src/google/protobuf/wire_format.h
@@ -294,6 +294,9 @@ inline void WireFormat::VerifyUTF8String(const char* data, int size,
WireFormat::Operation op) {
#ifdef GOOGLE_PROTOBUF_UTF8_VALIDATION_ENABLED
WireFormat::VerifyUTF8StringFallback(data, size, op);
+#else
+ // Avoid the compiler warning about unsued variables.
+ (void)data; (void)size; (void)op;
#endif
}