[lld] r251502 - [ELF2] Move sorting and data to the GNU hash table section.

[Rafael Espíndola via llvm-commits]

>  template <class ELFT> void GnuHashTableSection<ELFT>::finalize() {
> -  const unsigned NumHashed = Out<ELFT>::DynSymTab->getNumGnuHashSymbols();
> +  ArrayRef<SymbolBody *> A = Out<ELFT>::DynSymTab->getSymbols();
> +  unsigned NumHashed = std::count_if(A.begin(), A.end(), includeInGnuHashTable);
>    NBuckets = calcNBuckets(NumHashed);
>    MaskWords = calcMaskWords(NumHashed);

Could we write this as:
 unsigned NumHashed = HashedSymbols.size();

Cheers,
Rafael