| /* { dg-do run { target *-*-linux* *-*-gnu* *-*-uclinux* } } */ |
| /* { dg-options "-O" } */ |
| |
| #include <unistd.h> |
| #include <signal.h> |
| #include <stdlib.h> |
| |
| static char var1 = 0L; |
| static char *var2 = &var1; |
| |
| void do_exit (int i) |
| { |
| exit (0); |
| } |
| |
| int main(void) |
| { |
| struct sigaction s; |
| sigemptyset (&s.sa_mask); |
| s.sa_handler = do_exit; |
| s.sa_flags = 0; |
| sigaction (SIGALRM, &s, NULL); |
| alarm (1); |
| /* The following loop is infinite, the division by zero should not |
| be hoisted out of it. */ |
| for (; (var1 == 0 ? 0 : (100 / var1)) == *var2; ); |
| return 0; |
| } |
