} else if (stack_traces_.contains(debug_info_key)) {
      stack_trace = stack_traces_.at(debug_info_key);
    } else {
      DVLOG(1) << "No stack trace for " << node.name();
    }

    llvm::SmallVector<mlir::Location, 4> locations;

    if (stack_trace != nullptr) {
      DVLOG(1) << "Stack available for " << node.name();