gcc/testsuite/c-c++-common/Wimplicit-fallthrough-16.c

   1 /* PR c/7652 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wimplicit-fallthrough" } */
   4
   5 /* Another nested switch, and with an initialization on top.  Check that
   6    we do warn here.  */
   7
   8 void
   9 f (int i)
  10 {
  11   switch (i)
  12     {
  13     case 1:
  14       {
  15         int t = 3;
  16         switch (i)
  17           {
  18           case 3:
  19             if (i > 5)
  20               --i;
  21             i += 10; /* { dg-warning "statement may fall through" } */
  22           case 4:
  23             t /= 5;
  24             break;
  25           }
  26         break;
  27       }
  28     case 2:
  29       --i;
  30       break;
  31     }
  32 }