Do not mark the transformed as visited. It makes no sense at all.

[libfirm] / ir / be / test / fehler154.c

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

int foo(int x)
{
        while(x == 0)
                ;

        return x;
}

int k;

void handler(int sig)
{
        printf("ok\n");
        _exit(0);
}

int main(void) {
        signal(SIGALRM, handler);
        alarm(1);

        foo(0);

        printf("endless loop returned!\n");
        return 1;
}