232   NaryOperation* nary = nullptr;  in CollapseNaryExpression()  local
237     nary = factory()->NewNaryOperation(op, binop->left(), 2);  in CollapseNaryExpression()
238     nary->AddSubsequent(binop->right(), binop->position());  in CollapseNaryExpression()
239     ConvertBinaryToNaryOperationSourceRange(binop, nary);  in CollapseNaryExpression()
240     *x = nary;  in CollapseNaryExpression()
242     nary = (*x)->AsNaryOperation();  in CollapseNaryExpression()
243     if (nary->op() != op) return false;  in CollapseNaryExpression()
251   nary->AddSubsequent(y, pos);  in CollapseNaryExpression()
252   AppendNaryOperationSourceRange(nary, range);  in CollapseNaryExpression()
2369     NaryOperation* nary = expr->AsNaryOperation();  in AddArrowFunctionFormalParameters()  local
2372     DCHECK_EQ(nary->op(), Token::COMMA);  in AddArrowFunctionFormalParameters()
2376     Expression* next = nary->first();  in AddArrowFunctionFormalParameters()
2377     for (size_t i = 0; i < nary->subsequent_length(); ++i) {  in AddArrowFunctionFormalParameters()
2379           parameters, next, nary->subsequent_op_position(i), CHECK_OK_VOID);  in AddArrowFunctionFormalParameters()
2380       next = nary->subsequent(i);  in AddArrowFunctionFormalParameters()