[ADT] Use llvm::copy in SmallPtrSet.cpp (NFC)#153930

kazutakahirata merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

kazutakahirata:cleanup_20250815_SmallPtrSet_iterator_rangekazutakahirata/llvm-project:cleanup_20250815_SmallPtrSet_iterator_rangeCopy head branch name to clipboard