Subversion Repositories openrisc

/* Verify that
 
   var <= 0 || ((long unsigned) (unsigned) (var - 1) < MAX_UNSIGNED_INT)
 
   gets folded to 1.  */
 
#include <limits.h>
 
void abort (void);
void link_failure (void);
 
volatile int v;
 
void 
foo (int var)
{
  if (!(var <= 0
        || ((long unsigned) (unsigned) (var - 1) < UINT_MAX)))
    link_failure ();
}
 
int
main (int argc, char **argv)
{
  foo (v);
  return 0;
}
 
#ifndef __OPTIMIZE__
void
link_failure (void)
{
  abort ();
}
#endif