gcc/testsuite/gcc.dg/Wswitch-enum-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Wswitch-enum" } */
   3
   4 typedef enum { a = 2 } T;
   5
   6 int main()
   7 {
   8     T x = a;
   9     switch(x)
  10     {
  11     case a ... 3: /* { dg-warning "case value '3' not in enumerated" "3" } */
  12         break;
  13     }
  14     switch(x)
  15     {
  16     case 1 ... a: /* { dg-warning "case value '1' not in enumerated" "1" } */
  17         break;
  18     }
  19     return 0;
  20 }
  21