PVS-Studio warning V519 for OpenSSL

int
dtls1_retransmit_message(....)
{
  ....
  /* save current state */
  saved_state.enc_write_ctx = s->enc_write_ctx;
  saved_state.write_hash = s->write_hash;
  saved_state.compress = s->compress;
  saved_state.session = s->session;
  saved_state.epoch = s->d1->w_epoch;
  saved_state.epoch = s->d1->w_epoch;
  ....
}

This suspicious code was found in OpenSSL project by PVS-Studio static code analyzer.
Warning message is:
V519 The 'saved_state.epoch' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 1277, 1278. d1_both.c 1278

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