gcc/testsuite/c-c++-common/Wimplicit-fallthrough-15.c

   1 /* PR c/7652 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wimplicit-fallthrough" } */
   4
   5 /* Another nested switch.  Check that we don't warn here.  */
   6
   7 void
   8 f (int i)
   9 {
  10   int j = 0;
  11   switch (i)
  12     {
  13     case 0:
  14     case 1:
  15       j = 10;
  16       __attribute__((fallthrough));
  17     case 2:
  18       j += 10;
  19       break;
  20     case 3:
  21       switch (i)
  22         {
  23         case 5:
  24           j += 2;
  25           __attribute__((fallthrough));
  26         case 6:
  27           j += 4;
  28           break;
  29         }
  30    }
  31 }