// use-after-free

#include <stdlib.h>
#include <stdio.h>
#include <assert.h>

int main() {
    int *ptr = (int *)malloc(sizeof(*ptr));
    assert(ptr != 0);
    *ptr = 42;
    printf("%p %d\n", ptr, *ptr);
    free(ptr);
    printf("%p %d\n", ptr, *ptr);	// use after free
    // the following usully causes a SEGV in the interpreter because the store corrupts GC memory
    *ptr = 43;				// use after free
    printf("%p %d\n", ptr, *ptr);	// use after free
    return 0;
}