关于一个数组越界之后的死循环

<span style="font-size:18px;">#include<stdio.h>
void main()
{
	int i=0;
	int a[5];
	for (i = 0; i <= 5; i++) {
		a[i] = -i;
		printf("a[%d] = %d\n", i, a[i]);
	}
}</span><span style="font-size:18px;">#include<stdio.h>