/* Demonstrate Memcheck correctly handling a 64M array on the stack. Requires --max-stackframe=67108884 or above. And since it generates a very large stack, --main-stacksize=67200000 (approximately) is also required. */ #include <stdio.h> #define N_MBYTES 64 #define N_INTS ((N_MBYTES * 1048576) / sizeof(int)) int main(void) { int i, sum; int arr[N_INTS]; printf("lsframe1: start\n"); for (i = 0; i < N_INTS; i++) arr[i] = i; sum = 0; for (i = 0; i < N_INTS; i++) sum += arr[i]; printf("lsframe1: done, result is %d\n", sum); return 0; }