Final answer:
To address the "can't expand stack segment" error, increase the stack size limit using the -lstack option.
Step-by-step explanation:
To address the error message "can't expand stack segment by 8 bytes to 524288 bytes. use -lstack," the action to be taken is to increase the stack size limit using the -lstack option. Increasing the stack size limit allows for more memory to be allocated to the stack, which can prevent the error from occurring.
Optimizing the code for better performance or allocating larger arrays on the stack may not directly address the issue of the stack size limit error.