gcc/testsuite/gcc.dg/Wimplicit-fallthrough-1.c

   1 /* PR c/7652 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wimplicit-fallthrough -Wdeclaration-after-statement" } */
   4
   5 /* Test we don't print bogus "mixed declarations and code" warning.  */
   6
   7 int
   8 f (int b)
   9 {
  10   switch (b)
  11     {
  12     case 0:
  13       b++;
  14       __attribute__((fallthrough));
  15     case 1:
  16       b--;
  17       __attribute__((unused)) int a; /* { dg-warning "mixed declarations and code" } */
  18     case 2:
  19       break;
  20     }
  21   return 99;
  22 }