#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <setjmp.h>

jmp_buf jmp;

static void
handle_error(int unused) {
	(void)unused;
	longjmp(jmp, 1);
}

__attribute__((optimize("O0")))
int
main() {
	uint64_t ptr;
	size_t i;

	signal(SIGSEGV, handle_error);

	for (i = 0; i < 1000; ++i) {
		if (setjmp(jmp) == 0) {
			ptr = arc4random() + ((uint64_t) arc4random() << 32);
			printf("%p\n", (void *)ptr);
			*(unsigned *)ptr = 0xdeadbeef;
		}
	}
	return 0;
}