gcc/testsuite/c-c++-common/Wswitch-unreachable-4.c

   1 /* { dg-do compile } */
   2
   3 void
   4 foo (int a, int b)
   5 {
   6   switch (a)
   7     {
   8       { int c; }
   9       { int d; }
  10       { int e; }
  11       b++; /* { dg-warning "statement will never be executed" } */
  12     case 1:
  13       break;
  14     }
  15
  16   switch (a)
  17     {
  18       { int c; }
  19       { int d = 1; } /* { dg-warning "statement will never be executed" } */
  20       { int e; }
  21       b++;
  22     case 1:
  23       break;
  24     }
  25 }