gcc/testsuite/c-c++-common/Wimplicit-fallthrough-18.c

   1 /* PR c/7652 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wimplicit-fallthrough" } */
   4
   5 /* Testing some loops.  */
   6
   7 int f (void);
   8
   9 int
  10 g (int i)
  11 {
  12   switch (i)
  13     {
  14     case 0:
  15       for (;;)
  16         {
  17           if (f ()) /* { dg-warning "statement may fall through" "fall through" { xfail *-*-* } } */
  18             break;
  19         }
  20     case 1:
  21       return 1;
  22     }
  23   return 0;
  24 }
  25
  26 int
  27 h (int i)
  28 {
  29   switch (i)
  30     {
  31     case 0:
  32       do
  33         {
  34           if (f ()) /* { dg-warning "statement may fall through" } */
  35             break;
  36         }
  37       while (0);
  38     case 1:
  39       return 1;
  40     }
  41   return 0;
  42 }