gcc/testsuite/c-c++-common/pr53874.c

   1 /* PR c/53874 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wswitch-enum" } */
   4
   5 enum E { A, B, C };
   6 struct S { enum E e:2; };
   7 typedef struct S TS;
   8
   9 int
  10 fn0 (struct S *s)
  11 {
  12   switch (s->e) /* { dg-warning "enumeration value .C. not handled in switch" } */
  13     {
  14     case A:
  15       return 1;
  16     case B:
  17       return 2;
  18     default:
  19       return 0;
  20     }
  21 }
  22
  23 int
  24 fn1 (TS *s)
  25 {
  26   switch (s->e) /* { dg-warning "enumeration value .C. not handled in switch" } */
  27     {
  28     case A:
  29       return 1;
  30     case B:
  31       return 2;
  32     default:
  33       return 0;
  34     }
  35 }