/* { dg-add-options stack_size } */

#include <stdlib.h>

int *a, *b;
int n;

#ifdef STACK_SIZE
#define BLOCK_SIZE (STACK_SIZE / (sizeof (*a) + sizeof (*b)))
#else
#define BLOCK_SIZE 32768
#endif
void foo(void) {
    int i;
    for (i = 0; i < n; i++)
        a[i] = -1;
    for (i = 0; i < BLOCK_SIZE - 1; i++)
        b[i] = -1;
}

int main(void) {
    n = BLOCK_SIZE;
    a = malloc(n * sizeof(*a));
    b = malloc(n * sizeof(*b));
    *b++ = 0;
    foo();
    if (b[-1])
        abort();
    exit(0);
}
