```
../src/psbt.cpp: In function 'bool CombinePSBTs(PartiallySignedTransaction&, TransactionError&, const std::vector<PartiallySignedTransaction>&)':
CombinePSBTs(PartiallySignedTransaction&, TransactionError&, const
std::vector<PartiallySignedTransaction>&)':
../src/psbt.cpp:214:19: warning: implicitly-declared
'PartiallySignedTransaction& PartiallySignedTransaction::operator=(const
PartiallySignedTransaction&)' is deprecated [-Wdeprecated-copy]
214 | out = psbtxs[0];
| ^
In file included from ../src/psbt.cpp:5:
../src/./psbt.h:327:5: note: because 'PartiallySignedTransaction' has
has user-provided
'PartiallySignedTransaction::PartiallySignedTransaction(const
PartiallySignedTransaction&)'
327 | PartiallySignedTransaction(const PartiallySignedTransaction
&psbt_in)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
```