gcc/testsuite/gcc.dg/switch-warn-2.c

   1 /* This should not warn about the case label being out of range.  */
   2 /* { dg-do run } */
   3 /* { dg-options "-O0" } */
   4
   5 extern void abort (void);
   6 extern void exit (int);
   7
   8 int
   9 foo (unsigned int i)
  10 {
  11   switch (i)
  12   {
  13     case 123456123456ULL: /* { dg-warning "large integer implicitly truncated to unsigned type" } */
  14       return 0;
  15     default:
  16       return 3;
  17   }
  18 }
  19
  20 int
  21 main (void)
  22 {
  23   if (foo (10) != 3)
  24     abort ();
  25   exit (0);
  26 }