summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.c-torture/execute/20041114-1.c
blob: 4f82f8aa22950be68379e17d8c5bee0a9519621b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/* 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