609       : properties_(0), type_("null"), isymbols_(0), osymbols_(0) {}  in FstImpl()
614         osymbols_(impl.osymbols_ ? impl.osymbols_->Copy() : 0) {}  in FstImpl()
618     delete osymbols_;  in ~FstImpl()  local
648   const SymbolTable* OutputSymbols() const { return osymbols_; }  in OutputSymbols()
652   SymbolTable* OutputSymbols() { return osymbols_; }  in OutputSymbols()
660     if (osymbols_) delete osymbols_;  in SetOutputSymbols()  local
661     osymbols_ = osyms ? osyms->Copy() : 0;  in SetOutputSymbols()
697       if (osymbols_ && opts.write_osymbols)  in WriteHeader()
705     if (osymbols_ && opts.write_osymbols) osymbols_->Write(strm);  in WriteHeader()
773   SymbolTable *osymbols_;       // Olabel symbol table  variable
814     osymbols_ =SymbolTable::Read(strm, opts.source);  in ReadHeader()
821     delete osymbols_;  in ReadHeader()  local
822     osymbols_ = opts.osymbols->Copy();  in ReadHeader()