gcc/testsuite/gcc.dg/switch-6.c

   1 /* Test diagnostics for switch statements and labels therein.  Test
   2    for case ranges with -pedantic.  */
   3 /* Origin: Joseph Myers <joseph@codesourcery.com> */
   4 /* { dg-do compile } */
   5 /* { dg-options "-pedantic" } */
   6
   7 void
   8 f (int a)
   9 {
  10   switch (a)
  11     {
  12     case 0 ... 0: ; /* { dg-warning "range expressions in switch statements are non-standard" } */
  13     }
  14 }