gcc/testsuite/c-c++-common/Wimplicit-fallthrough-25.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wextra" } */
   3
   4 void bar (int);
   5
   6 void
   7 foo (int i)
   8 {
   9   switch (i)
  10     {
  11     case 1:                     /* { dg-warning "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */
  12       bar (1);
  13     case 2:                     /* { dg-warning "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */
  14       bar (2);
  15       /* Some comment.  */
  16     case 3:                     /* { dg-warning "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */
  17       bar (3);
  18       /* Here we really do want to fALl   tHRoUgh and we mean it!  */
  19     case 4:                     /* { dg-bogus "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */
  20       bar (4);
  21       /* Intentionally fall through.  */
  22     case 5:                     /* { dg-bogus "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */
  23       bar (5);
  24       /* FALLTHROUGH */
  25     case 6:                     /* { dg-bogus "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */
  26       bar (6);
  27       __attribute__((fallthrough));
  28     case 7:                     /* { dg-bogus "this statement may \[fla\]* through" "" { target *-*-* } .+1 } */
  29       bar (7);
  30     default:
  31       break;
  32     }
  33 }